Home / 25,167.80-37,729.38-12,671.48

Finding the Fourth Proportional to 25,167.80, 37,729.38 and 12,671.48

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Solution

The fourth proportional to 25,167.80, 37,729.38 and 12,671.48 is: 18,995.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,167.80 : 37,729.38 = 12,671.48 : x
  2. Step 2: Convert to fraction form
    25,167.80/37,729.38 = 12,671.48/x
  3. Step 3: Cross multiply
    25,167.80x = 37,729.38 × 12,671.48
  4. Step 4: Simplify right side
    25,167.80x = 478,087,084.08
  5. Step 5: Solve for x
    x = 478,087,084.08/25,167.80
  6. Step 6: Final answer
    x = 18,995.98

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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.