Home / 25,446.34-38,127.30-18,013.96

Finding the Fourth Proportional to 25,446.34, 38,127.30 and 18,013.96

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Solution

The fourth proportional to 25,446.34, 38,127.30 and 18,013.96 is: 26,991.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,446.34 : 38,127.30 = 18,013.96 : x
  2. Step 2: Convert to fraction form
    25,446.34/38,127.30 = 18,013.96/x
  3. Step 3: Cross multiply
    25,446.34x = 38,127.30 × 18,013.96
  4. Step 4: Simplify right side
    25,446.34x = 686,823,657.11
  5. Step 5: Solve for x
    x = 686,823,657.11/25,446.34
  6. Step 6: Final answer
    x = 26,991.06

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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.