Home / 14,816.30-20,425.28-12,265.61

Finding the Fourth Proportional to 14,816.30, 20,425.28 and 12,265.61

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Solution

The fourth proportional to 14,816.30, 20,425.28 and 12,265.61 is: 16,908.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,816.30 : 20,425.28 = 12,265.61 : x
  2. Step 2: Convert to fraction form
    14,816.30/20,425.28 = 12,265.61/x
  3. Step 3: Cross multiply
    14,816.30x = 20,425.28 × 12,265.61
  4. Step 4: Simplify right side
    14,816.30x = 250,528,355.17
  5. Step 5: Solve for x
    x = 250,528,355.17/14,816.30
  6. Step 6: Final answer
    x = 16,908.97

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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.