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Finding the Fourth Proportional to 22,141.64, 30,532.02 and 14,184.20

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Solution

The fourth proportional to 22,141.64, 30,532.02 and 14,184.20 is: 19,559.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,141.64 : 30,532.02 = 14,184.20 : x
  2. Step 2: Convert to fraction form
    22,141.64/30,532.02 = 14,184.20/x
  3. Step 3: Cross multiply
    22,141.64x = 30,532.02 × 14,184.20
  4. Step 4: Simplify right side
    22,141.64x = 433,072,278.08
  5. Step 5: Solve for x
    x = 433,072,278.08/22,141.64
  6. Step 6: Final answer
    x = 19,559.18

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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.