Home / 25,127.46-37,691.55-11,981.22

Finding the Fourth Proportional to 25,127.46, 37,691.55 and 11,981.22

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Solution

The fourth proportional to 25,127.46, 37,691.55 and 11,981.22 is: 17,972.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,127.46 : 37,691.55 = 11,981.22 : x
  2. Step 2: Convert to fraction form
    25,127.46/37,691.55 = 11,981.22/x
  3. Step 3: Cross multiply
    25,127.46x = 37,691.55 × 11,981.22
  4. Step 4: Simplify right side
    25,127.46x = 451,590,752.69
  5. Step 5: Solve for x
    x = 451,590,752.69/25,127.46
  6. Step 6: Final answer
    x = 17,972.00

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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.