Home / 25,311.50-37,938.44-11,250.40

Finding the Fourth Proportional to 25,311.50, 37,938.44 and 11,250.40

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Solution

The fourth proportional to 25,311.50, 37,938.44 and 11,250.40 is: 16,862.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,311.50 : 37,938.44 = 11,250.40 : x
  2. Step 2: Convert to fraction form
    25,311.50/37,938.44 = 11,250.40/x
  3. Step 3: Cross multiply
    25,311.50x = 37,938.44 × 11,250.40
  4. Step 4: Simplify right side
    25,311.50x = 426,822,625.38
  5. Step 5: Solve for x
    x = 426,822,625.38/25,311.50
  6. Step 6: Final answer
    x = 16,862.79

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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.