Home / 14,981.40-22,474.10-5,118.20

Finding the Fourth Proportional to 14,981.40, 22,474.10 and 5,118.20

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Solution

The fourth proportional to 14,981.40, 22,474.10 and 5,118.20 is: 7,677.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,981.40 : 22,474.10 = 5,118.20 : x
  2. Step 2: Convert to fraction form
    14,981.40/22,474.10 = 5,118.20/x
  3. Step 3: Cross multiply
    14,981.40x = 22,474.10 × 5,118.20
  4. Step 4: Simplify right side
    14,981.40x = 115,026,938.62
  5. Step 5: Solve for x
    x = 115,026,938.62/14,981.40
  6. Step 6: Final answer
    x = 7,677.98

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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.