Home / 14,979.84-22,470.28-5,618.90

Finding the Fourth Proportional to 14,979.84, 22,470.28 and 5,618.90

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Solution

The fourth proportional to 14,979.84, 22,470.28 and 5,618.90 is: 8,428.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,979.84 : 22,470.28 = 5,618.90 : x
  2. Step 2: Convert to fraction form
    14,979.84/22,470.28 = 5,618.90/x
  3. Step 3: Cross multiply
    14,979.84x = 22,470.28 × 5,618.90
  4. Step 4: Simplify right side
    14,979.84x = 126,258,256.29
  5. Step 5: Solve for x
    x = 126,258,256.29/14,979.84
  6. Step 6: Final answer
    x = 8,428.55

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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.