Home / 25,920.92-38,902.13-13,444.52

Finding the Fourth Proportional to 25,920.92, 38,902.13 and 13,444.52

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Solution

The fourth proportional to 25,920.92, 38,902.13 and 13,444.52 is: 20,177.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,920.92 : 38,902.13 = 13,444.52 : x
  2. Step 2: Convert to fraction form
    25,920.92/38,902.13 = 13,444.52/x
  3. Step 3: Cross multiply
    25,920.92x = 38,902.13 × 13,444.52
  4. Step 4: Simplify right side
    25,920.92x = 523,020,303.93
  5. Step 5: Solve for x
    x = 523,020,303.93/25,920.92
  6. Step 6: Final answer
    x = 20,177.54

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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.