Home / 14,353.92-21,540.81-5,588.88

Finding the Fourth Proportional to 14,353.92, 21,540.81 and 5,588.88

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Solution

The fourth proportional to 14,353.92, 21,540.81 and 5,588.88 is: 8,387.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,353.92 : 21,540.81 = 5,588.88 : x
  2. Step 2: Convert to fraction form
    14,353.92/21,540.81 = 5,588.88/x
  3. Step 3: Cross multiply
    14,353.92x = 21,540.81 × 5,588.88
  4. Step 4: Simplify right side
    14,353.92x = 120,389,002.19
  5. Step 5: Solve for x
    x = 120,389,002.19/14,353.92
  6. Step 6: Final answer
    x = 8,387.19

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1.5x scale

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.