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Finding the Fourth Proportional to 18,096.92, 24,973.75 and 10,139.21

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Solution

The fourth proportional to 18,096.92, 24,973.75 and 10,139.21 is: 13,992.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,096.92 : 24,973.75 = 10,139.21 : x
  2. Step 2: Convert to fraction form
    18,096.92/24,973.75 = 10,139.21/x
  3. Step 3: Cross multiply
    18,096.92x = 24,973.75 × 10,139.21
  4. Step 4: Simplify right side
    18,096.92x = 253,214,077.19
  5. Step 5: Solve for x
    x = 253,214,077.19/18,096.92
  6. Step 6: Final answer
    x = 13,992.11

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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.