Home / 29,125.74-40,180.91-18,362.13

Finding the Fourth Proportional to 29,125.74, 40,180.91 and 18,362.13

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Solution

The fourth proportional to 29,125.74, 40,180.91 and 18,362.13 is: 25,331.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,125.74 : 40,180.91 = 18,362.13 : x
  2. Step 2: Convert to fraction form
    29,125.74/40,180.91 = 18,362.13/x
  3. Step 3: Cross multiply
    29,125.74x = 40,180.91 × 18,362.13
  4. Step 4: Simplify right side
    29,125.74x = 737,807,001.13
  5. Step 5: Solve for x
    x = 737,807,001.13/29,125.74
  6. Step 6: Final answer
    x = 25,331.79

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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.