Home / 25,875.27-38,812.90-8,345.10

Finding the Fourth Proportional to 25,875.27, 38,812.90 and 8,345.10

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Solution

The fourth proportional to 25,875.27, 38,812.90 and 8,345.10 is: 12,517.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,875.27 : 38,812.90 = 8,345.10 : x
  2. Step 2: Convert to fraction form
    25,875.27/38,812.90 = 8,345.10/x
  3. Step 3: Cross multiply
    25,875.27x = 38,812.90 × 8,345.10
  4. Step 4: Simplify right side
    25,875.27x = 323,897,337.73
  5. Step 5: Solve for x
    x = 323,897,337.73/25,875.27
  6. Step 6: Final answer
    x = 12,517.64

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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.