Home / 20,713.60-31,048.52-14,867.04

Finding the Fourth Proportional to 20,713.60, 31,048.52 and 14,867.04

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Solution

The fourth proportional to 20,713.60, 31,048.52 and 14,867.04 is: 22,284.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,713.60 : 31,048.52 = 14,867.04 : x
  2. Step 2: Convert to fraction form
    20,713.60/31,048.52 = 14,867.04/x
  3. Step 3: Cross multiply
    20,713.60x = 31,048.52 × 14,867.04
  4. Step 4: Simplify right side
    20,713.60x = 461,599,588.78
  5. Step 5: Solve for x
    x = 461,599,588.78/20,713.60
  6. Step 6: Final answer
    x = 22,284.86

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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.