Home / 24,720.38-34,114.12-14,109.78

Finding the Fourth Proportional to 24,720.38, 34,114.12 and 14,109.78

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Solution

The fourth proportional to 24,720.38, 34,114.12 and 14,109.78 is: 19,471.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,720.38 : 34,114.12 = 14,109.78 : x
  2. Step 2: Convert to fraction form
    24,720.38/34,114.12 = 14,109.78/x
  3. Step 3: Cross multiply
    24,720.38x = 34,114.12 × 14,109.78
  4. Step 4: Simplify right side
    24,720.38x = 481,342,692.82
  5. Step 5: Solve for x
    x = 481,342,692.82/24,720.38
  6. Step 6: Final answer
    x = 19,471.50

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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.