Home / 14,567.38-20,102.91-8,279.76

Finding the Fourth Proportional to 14,567.38, 20,102.91 and 8,279.76

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Solution

The fourth proportional to 14,567.38, 20,102.91 and 8,279.76 is: 11,426.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,567.38 : 20,102.91 = 8,279.76 : x
  2. Step 2: Convert to fraction form
    14,567.38/20,102.91 = 8,279.76/x
  3. Step 3: Cross multiply
    14,567.38x = 20,102.91 × 8,279.76
  4. Step 4: Simplify right side
    14,567.38x = 166,447,270.10
  5. Step 5: Solve for x
    x = 166,447,270.10/14,567.38
  6. Step 6: Final answer
    x = 11,426.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.