Home / 16,767.28-23,139.84-9,696.16

Finding the Fourth Proportional to 16,767.28, 23,139.84 and 9,696.16

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Solution

The fourth proportional to 16,767.28, 23,139.84 and 9,696.16 is: 13,381.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,767.28 : 23,139.84 = 9,696.16 : x
  2. Step 2: Convert to fraction form
    16,767.28/23,139.84 = 9,696.16/x
  3. Step 3: Cross multiply
    16,767.28x = 23,139.84 × 9,696.16
  4. Step 4: Simplify right side
    16,767.28x = 224,367,591.01
  5. Step 5: Solve for x
    x = 224,367,591.01/16,767.28
  6. Step 6: Final answer
    x = 13,381.28

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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.