Home / 15,166.12-20,932.68-9,851.68

Finding the Fourth Proportional to 15,166.12, 20,932.68 and 9,851.68

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Solution

The fourth proportional to 15,166.12, 20,932.68 and 9,851.68 is: 13,597.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,166.12 : 20,932.68 = 9,851.68 : x
  2. Step 2: Convert to fraction form
    15,166.12/20,932.68 = 9,851.68/x
  3. Step 3: Cross multiply
    15,166.12x = 20,932.68 × 9,851.68
  4. Step 4: Simplify right side
    15,166.12x = 206,222,064.90
  5. Step 5: Solve for x
    x = 206,222,064.90/15,166.12
  6. Step 6: Final answer
    x = 13,597.55

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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.