Home / 16,521.45-24,784.76-5,425.61

Finding the Fourth Proportional to 16,521.45, 24,784.76 and 5,425.61

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Solution

The fourth proportional to 16,521.45, 24,784.76 and 5,425.61 is: 8,139.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,521.45 : 24,784.76 = 5,425.61 : x
  2. Step 2: Convert to fraction form
    16,521.45/24,784.76 = 5,425.61/x
  3. Step 3: Cross multiply
    16,521.45x = 24,784.76 × 5,425.61
  4. Step 4: Simplify right side
    16,521.45x = 134,472,441.70
  5. Step 5: Solve for x
    x = 134,472,441.70/16,521.45
  6. Step 6: Final answer
    x = 8,139.26

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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.