Home / 17,215.04-23,750.64-11,250.15

Finding the Fourth Proportional to 17,215.04, 23,750.64 and 11,250.15

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Solution

The fourth proportional to 17,215.04, 23,750.64 and 11,250.15 is: 15,521.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,215.04 : 23,750.64 = 11,250.15 : x
  2. Step 2: Convert to fraction form
    17,215.04/23,750.64 = 11,250.15/x
  3. Step 3: Cross multiply
    17,215.04x = 23,750.64 × 11,250.15
  4. Step 4: Simplify right side
    17,215.04x = 267,198,262.60
  5. Step 5: Solve for x
    x = 267,198,262.60/17,215.04
  6. Step 6: Final answer
    x = 15,521.22

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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.