Home / 19,241.13-28,840.67-12,224.28

Finding the Fourth Proportional to 19,241.13, 28,840.67 and 12,224.28

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Solution

The fourth proportional to 19,241.13, 28,840.67 and 12,224.28 is: 18,323.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,241.13 : 28,840.67 = 12,224.28 : x
  2. Step 2: Convert to fraction form
    19,241.13/28,840.67 = 12,224.28/x
  3. Step 3: Cross multiply
    19,241.13x = 28,840.67 × 12,224.28
  4. Step 4: Simplify right side
    19,241.13x = 352,556,425.47
  5. Step 5: Solve for x
    x = 352,556,425.47/19,241.13
  6. Step 6: Final answer
    x = 18,323.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.