Home / 25,180.49-37,780.96-12,704.13

Finding the Fourth Proportional to 25,180.49, 37,780.96 and 12,704.13

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Solution

The fourth proportional to 25,180.49, 37,780.96 and 12,704.13 is: 19,061.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,180.49 : 37,780.96 = 12,704.13 : x
  2. Step 2: Convert to fraction form
    25,180.49/37,780.96 = 12,704.13/x
  3. Step 3: Cross multiply
    25,180.49x = 37,780.96 × 12,704.13
  4. Step 4: Simplify right side
    25,180.49x = 479,974,227.36
  5. Step 5: Solve for x
    x = 479,974,227.36/25,180.49
  6. Step 6: Final answer
    x = 19,061.35

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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.