Home / 16,857.24-23,255.46-10,138.92

Finding the Fourth Proportional to 16,857.24, 23,255.46 and 10,138.92

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Solution

The fourth proportional to 16,857.24, 23,255.46 and 10,138.92 is: 13,987.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,857.24 : 23,255.46 = 10,138.92 : x
  2. Step 2: Convert to fraction form
    16,857.24/23,255.46 = 10,138.92/x
  3. Step 3: Cross multiply
    16,857.24x = 23,255.46 × 10,138.92
  4. Step 4: Simplify right side
    16,857.24x = 235,785,248.50
  5. Step 5: Solve for x
    x = 235,785,248.50/16,857.24
  6. Step 6: Final answer
    x = 13,987.18

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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.