Home / 16,931.07-23,366.30-9,857.97

Finding the Fourth Proportional to 16,931.07, 23,366.30 and 9,857.97

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Solution

The fourth proportional to 16,931.07, 23,366.30 and 9,857.97 is: 13,604.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,931.07 : 23,366.30 = 9,857.97 : x
  2. Step 2: Convert to fraction form
    16,931.07/23,366.30 = 9,857.97/x
  3. Step 3: Cross multiply
    16,931.07x = 23,366.30 × 9,857.97
  4. Step 4: Simplify right side
    16,931.07x = 230,344,235.12
  5. Step 5: Solve for x
    x = 230,344,235.12/16,931.07
  6. Step 6: Final answer
    x = 13,604.82

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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.