Home / 15,082.06-20,799.61-9,417.33

Finding the Fourth Proportional to 15,082.06, 20,799.61 and 9,417.33

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Solution

The fourth proportional to 15,082.06, 20,799.61 and 9,417.33 is: 12,987.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,082.06 : 20,799.61 = 9,417.33 : x
  2. Step 2: Convert to fraction form
    15,082.06/20,799.61 = 9,417.33/x
  3. Step 3: Cross multiply
    15,082.06x = 20,799.61 × 9,417.33
  4. Step 4: Simplify right side
    15,082.06x = 195,876,640.16
  5. Step 5: Solve for x
    x = 195,876,640.16/15,082.06
  6. Step 6: Final answer
    x = 12,987.39

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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.