Home / 16,759.76-23,139.29-10,393.12

Finding the Fourth Proportional to 16,759.76, 23,139.29 and 10,393.12

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Solution

The fourth proportional to 16,759.76, 23,139.29 and 10,393.12 is: 14,349.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,759.76 : 23,139.29 = 10,393.12 : x
  2. Step 2: Convert to fraction form
    16,759.76/23,139.29 = 10,393.12/x
  3. Step 3: Cross multiply
    16,759.76x = 23,139.29 × 10,393.12
  4. Step 4: Simplify right side
    16,759.76x = 240,489,385.82
  5. Step 5: Solve for x
    x = 240,489,385.82/16,759.76
  6. Step 6: Final answer
    x = 14,349.21

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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.