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Finding the Fourth Proportional to 14,821.32, 22,231.98 and 5,585.16

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Solution

The fourth proportional to 14,821.32, 22,231.98 and 5,585.16 is: 8,377.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,821.32 : 22,231.98 = 5,585.16 : x
  2. Step 2: Convert to fraction form
    14,821.32/22,231.98 = 5,585.16/x
  3. Step 3: Cross multiply
    14,821.32x = 22,231.98 × 5,585.16
  4. Step 4: Simplify right side
    14,821.32x = 124,169,165.42
  5. Step 5: Solve for x
    x = 124,169,165.42/14,821.32
  6. Step 6: Final answer
    x = 8,377.74

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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.