Home / 15,311.19-22,966.91-4,218.49

Finding the Fourth Proportional to 15,311.19, 22,966.91 and 4,218.49

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Solution

The fourth proportional to 15,311.19, 22,966.91 and 4,218.49 is: 6,327.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,311.19 : 22,966.91 = 4,218.49 : x
  2. Step 2: Convert to fraction form
    15,311.19/22,966.91 = 4,218.49/x
  3. Step 3: Cross multiply
    15,311.19x = 22,966.91 × 4,218.49
  4. Step 4: Simplify right side
    15,311.19x = 96,885,680.17
  5. Step 5: Solve for x
    x = 96,885,680.17/15,311.19
  6. Step 6: Final answer
    x = 6,327.77

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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.