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Finding the Fourth Proportional to 18,149, 24,967.86 and 17,371.40

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Solution

The fourth proportional to 18,149, 24,967.86 and 17,371.40 is: 23,898.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,149 : 24,967.86 = 17,371.40 : x
  2. Step 2: Convert to fraction form
    18,149/24,967.86 = 17,371.40/x
  3. Step 3: Cross multiply
    18,149x = 24,967.86 × 17,371.40
  4. Step 4: Simplify right side
    18,149x = 433,726,683.20
  5. Step 5: Solve for x
    x = 433,726,683.20/18,149
  6. Step 6: Final answer
    x = 23,898.10

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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.