Home / 25,730.12-38,594.76-8,199.71

Finding the Fourth Proportional to 25,730.12, 38,594.76 and 8,199.71

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Solution

The fourth proportional to 25,730.12, 38,594.76 and 8,199.71 is: 12,299.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,730.12 : 38,594.76 = 8,199.71 : x
  2. Step 2: Convert to fraction form
    25,730.12/38,594.76 = 8,199.71/x
  3. Step 3: Cross multiply
    25,730.12x = 38,594.76 × 8,199.71
  4. Step 4: Simplify right side
    25,730.12x = 316,465,839.52
  5. Step 5: Solve for x
    x = 316,465,839.52/25,730.12
  6. Step 6: Final answer
    x = 12,299.43

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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.