Home / 17,215.60-23,753.84-11,256.02

Finding the Fourth Proportional to 17,215.60, 23,753.84 and 11,256.02

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Solution

The fourth proportional to 17,215.60, 23,753.84 and 11,256.02 is: 15,530.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,215.60 : 23,753.84 = 11,256.02 : x
  2. Step 2: Convert to fraction form
    17,215.60/23,753.84 = 11,256.02/x
  3. Step 3: Cross multiply
    17,215.60x = 23,753.84 × 11,256.02
  4. Step 4: Simplify right side
    17,215.60x = 267,373,698.12
  5. Step 5: Solve for x
    x = 267,373,698.12/17,215.60
  6. Step 6: Final answer
    x = 15,530.90

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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.