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Finding the Fourth Proportional to 13,924.56, 20,869.56 and 7,001.04

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Solution

The fourth proportional to 13,924.56, 20,869.56 and 7,001.04 is: 10,492.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,924.56 : 20,869.56 = 7,001.04 : x
  2. Step 2: Convert to fraction form
    13,924.56/20,869.56 = 7,001.04/x
  3. Step 3: Cross multiply
    13,924.56x = 20,869.56 × 7,001.04
  4. Step 4: Simplify right side
    13,924.56x = 146,108,624.34
  5. Step 5: Solve for x
    x = 146,108,624.34/13,924.56
  6. Step 6: Final answer
    x = 10,492.87

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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.