Home / 19,447.02-29,115.45-15,115.14

Finding the Fourth Proportional to 19,447.02, 29,115.45 and 15,115.14

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Solution

The fourth proportional to 19,447.02, 29,115.45 and 15,115.14 is: 22,629.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,447.02 : 29,115.45 = 15,115.14 : x
  2. Step 2: Convert to fraction form
    19,447.02/29,115.45 = 15,115.14/x
  3. Step 3: Cross multiply
    19,447.02x = 29,115.45 × 15,115.14
  4. Step 4: Simplify right side
    19,447.02x = 440,084,102.91
  5. Step 5: Solve for x
    x = 440,084,102.91/19,447.02
  6. Step 6: Final answer
    x = 22,629.90

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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.