Home / 14,864.20-22,238.70-9,680.20

Finding the Fourth Proportional to 14,864.20, 22,238.70 and 9,680.20

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Solution

The fourth proportional to 14,864.20, 22,238.70 and 9,680.20 is: 14,482.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,864.20 : 22,238.70 = 9,680.20 : x
  2. Step 2: Convert to fraction form
    14,864.20/22,238.70 = 9,680.20/x
  3. Step 3: Cross multiply
    14,864.20x = 22,238.70 × 9,680.20
  4. Step 4: Simplify right side
    14,864.20x = 215,275,063.74
  5. Step 5: Solve for x
    x = 215,275,063.74/14,864.20
  6. Step 6: Final answer
    x = 14,482.79

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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.