Home / 16,759.76-23,127.12-9,686.64

Finding the Fourth Proportional to 16,759.76, 23,127.12 and 9,686.64

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Solution

The fourth proportional to 16,759.76, 23,127.12 and 9,686.64 is: 13,366.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,759.76 : 23,127.12 = 9,686.64 : x
  2. Step 2: Convert to fraction form
    16,759.76/23,127.12 = 9,686.64/x
  3. Step 3: Cross multiply
    16,759.76x = 23,127.12 × 9,686.64
  4. Step 4: Simplify right side
    16,759.76x = 224,024,085.68
  5. Step 5: Solve for x
    x = 224,024,085.68/16,759.76
  6. Step 6: Final answer
    x = 13,366.78

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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.