Home / 19,241.42-26,556.48-14,220.21

Finding the Fourth Proportional to 19,241.42, 26,556.48 and 14,220.21

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Solution

The fourth proportional to 19,241.42, 26,556.48 and 14,220.21 is: 19,626.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,241.42 : 26,556.48 = 14,220.21 : x
  2. Step 2: Convert to fraction form
    19,241.42/26,556.48 = 14,220.21/x
  3. Step 3: Cross multiply
    19,241.42x = 26,556.48 × 14,220.21
  4. Step 4: Simplify right side
    19,241.42x = 377,638,712.66
  5. Step 5: Solve for x
    x = 377,638,712.66/19,241.42
  6. Step 6: Final answer
    x = 19,626.34

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Half scale
Find fourth proportional to 38,482.85, 53,112.97 and 28,440.42
Double scale
Find fourth proportional to 19,242.42, 26,557.86 and 14,221.21
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.