Home / 26,115.12-39,172.68-9,477.36

Finding the Fourth Proportional to 26,115.12, 39,172.68 and 9,477.36

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Solution

The fourth proportional to 26,115.12, 39,172.68 and 9,477.36 is: 14,216.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,115.12 : 39,172.68 = 9,477.36 : x
  2. Step 2: Convert to fraction form
    26,115.12/39,172.68 = 9,477.36/x
  3. Step 3: Cross multiply
    26,115.12x = 39,172.68 × 9,477.36
  4. Step 4: Simplify right side
    26,115.12x = 371,253,590.52
  5. Step 5: Solve for x
    x = 371,253,590.52/26,115.12
  6. Step 6: Final answer
    x = 14,216.04

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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.