Home / 14,920.20-22,380.30-14,725.80

Finding the Fourth Proportional to 14,920.20, 22,380.30 and 14,725.80

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Solution

The fourth proportional to 14,920.20, 22,380.30 and 14,725.80 is: 22,088.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,920.20 : 22,380.30 = 14,725.80 : x
  2. Step 2: Convert to fraction form
    14,920.20/22,380.30 = 14,725.80/x
  3. Step 3: Cross multiply
    14,920.20x = 22,380.30 × 14,725.80
  4. Step 4: Simplify right side
    14,920.20x = 329,567,821.74
  5. Step 5: Solve for x
    x = 329,567,821.74/14,920.20
  6. Step 6: Final answer
    x = 22,088.70

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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.