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Finding the Fourth Proportional to 18,068.66, 24,934.76 and 10,112.42

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Solution

The fourth proportional to 18,068.66, 24,934.76 and 10,112.42 is: 13,955.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,068.66 : 24,934.76 = 10,112.42 : x
  2. Step 2: Convert to fraction form
    18,068.66/24,934.76 = 10,112.42/x
  3. Step 3: Cross multiply
    18,068.66x = 24,934.76 × 10,112.42
  4. Step 4: Simplify right side
    18,068.66x = 252,150,715.16
  5. Step 5: Solve for x
    x = 252,150,715.16/18,068.66
  6. Step 6: Final answer
    x = 13,955.14

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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.