Home / 19,587.48-29,383.44-7,113.36

Finding the Fourth Proportional to 19,587.48, 29,383.44 and 7,113.36

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Solution

The fourth proportional to 19,587.48, 29,383.44 and 7,113.36 is: 10,670.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,587.48 : 29,383.44 = 7,113.36 : x
  2. Step 2: Convert to fraction form
    19,587.48/29,383.44 = 7,113.36/x
  3. Step 3: Cross multiply
    19,587.48x = 29,383.44 × 7,113.36
  4. Step 4: Simplify right side
    19,587.48x = 209,014,986.76
  5. Step 5: Solve for x
    x = 209,014,986.76/19,587.48
  6. Step 6: Final answer
    x = 10,670.85

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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.