Home / 17,182.80-23,711.40-10,897.20

Finding the Fourth Proportional to 17,182.80, 23,711.40 and 10,897.20

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Solution

The fourth proportional to 17,182.80, 23,711.40 and 10,897.20 is: 15,037.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,182.80 : 23,711.40 = 10,897.20 : x
  2. Step 2: Convert to fraction form
    17,182.80/23,711.40 = 10,897.20/x
  3. Step 3: Cross multiply
    17,182.80x = 23,711.40 × 10,897.20
  4. Step 4: Simplify right side
    17,182.80x = 258,387,868.08
  5. Step 5: Solve for x
    x = 258,387,868.08/17,182.80
  6. Step 6: Final answer
    x = 15,037.59

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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.