Home / 25,143.12-37,725.60-9,565.20

Finding the Fourth Proportional to 25,143.12, 37,725.60 and 9,565.20

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Solution

The fourth proportional to 25,143.12, 37,725.60 and 9,565.20 is: 14,351.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,143.12 : 37,725.60 = 9,565.20 : x
  2. Step 2: Convert to fraction form
    25,143.12/37,725.60 = 9,565.20/x
  3. Step 3: Cross multiply
    25,143.12x = 37,725.60 × 9,565.20
  4. Step 4: Simplify right side
    25,143.12x = 360,852,909.12
  5. Step 5: Solve for x
    x = 360,852,909.12/25,143.12
  6. Step 6: Final answer
    x = 14,351.95

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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.