Home / 17,382.28-23,987.12-9,620.85

Finding the Fourth Proportional to 17,382.28, 23,987.12 and 9,620.85

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Solution

The fourth proportional to 17,382.28, 23,987.12 and 9,620.85 is: 13,276.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,382.28 : 23,987.12 = 9,620.85 : x
  2. Step 2: Convert to fraction form
    17,382.28/23,987.12 = 9,620.85/x
  3. Step 3: Cross multiply
    17,382.28x = 23,987.12 × 9,620.85
  4. Step 4: Simplify right side
    17,382.28x = 230,776,602.22
  5. Step 5: Solve for x
    x = 230,776,602.22/17,382.28
  6. Step 6: Final answer
    x = 13,276.54

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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.