Home / 26,115.90-39,157.65-15,017.10

Finding the Fourth Proportional to 26,115.90, 39,157.65 and 15,017.10

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Solution

The fourth proportional to 26,115.90, 39,157.65 and 15,017.10 is: 22,516.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,115.90 : 39,157.65 = 15,017.10 : x
  2. Step 2: Convert to fraction form
    26,115.90/39,157.65 = 15,017.10/x
  3. Step 3: Cross multiply
    26,115.90x = 39,157.65 × 15,017.10
  4. Step 4: Simplify right side
    26,115.90x = 588,034,345.82
  5. Step 5: Solve for x
    x = 588,034,345.82/26,115.90
  6. Step 6: Final answer
    x = 22,516.33

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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.