Home / 17,719.87-24,438.85-12,934.43

Finding the Fourth Proportional to 17,719.87, 24,438.85 and 12,934.43

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Solution

The fourth proportional to 17,719.87, 24,438.85 and 12,934.43 is: 17,838.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,719.87 : 24,438.85 = 12,934.43 : x
  2. Step 2: Convert to fraction form
    17,719.87/24,438.85 = 12,934.43/x
  3. Step 3: Cross multiply
    17,719.87x = 24,438.85 × 12,934.43
  4. Step 4: Simplify right side
    17,719.87x = 316,102,594.61
  5. Step 5: Solve for x
    x = 316,102,594.61/17,719.87
  6. Step 6: Final answer
    x = 17,838.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.