Home / 24,720.90-34,115.04-13,819.08

Finding the Fourth Proportional to 24,720.90, 34,115.04 and 13,819.08

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Solution

The fourth proportional to 24,720.90, 34,115.04 and 13,819.08 is: 19,070.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,720.90 : 34,115.04 = 13,819.08 : x
  2. Step 2: Convert to fraction form
    24,720.90/34,115.04 = 13,819.08/x
  3. Step 3: Cross multiply
    24,720.90x = 34,115.04 × 13,819.08
  4. Step 4: Simplify right side
    24,720.90x = 471,438,466.96
  5. Step 5: Solve for x
    x = 471,438,466.96/24,720.90
  6. Step 6: Final answer
    x = 19,070.44

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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.