Home / 25,655.92-38,480.16-6,937.05

Finding the Fourth Proportional to 25,655.92, 38,480.16 and 6,937.05

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Solution

The fourth proportional to 25,655.92, 38,480.16 and 6,937.05 is: 10,404.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,655.92 : 38,480.16 = 6,937.05 : x
  2. Step 2: Convert to fraction form
    25,655.92/38,480.16 = 6,937.05/x
  3. Step 3: Cross multiply
    25,655.92x = 38,480.16 × 6,937.05
  4. Step 4: Simplify right side
    25,655.92x = 266,938,793.93
  5. Step 5: Solve for x
    x = 266,938,793.93/25,655.92
  6. Step 6: Final answer
    x = 10,404.57

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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.