Home / 17,211.52-23,729.20-11,232.80

Finding the Fourth Proportional to 17,211.52, 23,729.20 and 11,232.80

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Solution

The fourth proportional to 17,211.52, 23,729.20 and 11,232.80 is: 15,486.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,211.52 : 23,729.20 = 11,232.80 : x
  2. Step 2: Convert to fraction form
    17,211.52/23,729.20 = 11,232.80/x
  3. Step 3: Cross multiply
    17,211.52x = 23,729.20 × 11,232.80
  4. Step 4: Simplify right side
    17,211.52x = 266,545,357.76
  5. Step 5: Solve for x
    x = 266,545,357.76/17,211.52
  6. Step 6: Final answer
    x = 15,486.45

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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.