Home / 19,892.38-29,838.62-5,101.36

Finding the Fourth Proportional to 19,892.38, 29,838.62 and 5,101.36

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Solution

The fourth proportional to 19,892.38, 29,838.62 and 5,101.36 is: 7,652.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,892.38 : 29,838.62 = 5,101.36 : x
  2. Step 2: Convert to fraction form
    19,892.38/29,838.62 = 5,101.36/x
  3. Step 3: Cross multiply
    19,892.38x = 29,838.62 × 5,101.36
  4. Step 4: Simplify right side
    19,892.38x = 152,217,542.52
  5. Step 5: Solve for x
    x = 152,217,542.52/19,892.38
  6. Step 6: Final answer
    x = 7,652.05

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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.