Home / 25,127.86-37,695.16-13,287.36

Finding the Fourth Proportional to 25,127.86, 37,695.16 and 13,287.36

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Solution

The fourth proportional to 25,127.86, 37,695.16 and 13,287.36 is: 19,932.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,127.86 : 37,695.16 = 13,287.36 : x
  2. Step 2: Convert to fraction form
    25,127.86/37,695.16 = 13,287.36/x
  3. Step 3: Cross multiply
    25,127.86x = 37,695.16 × 13,287.36
  4. Step 4: Simplify right side
    25,127.86x = 500,869,161.18
  5. Step 5: Solve for x
    x = 500,869,161.18/25,127.86
  6. Step 6: Final answer
    x = 19,932.82

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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.