Home / 16,983.72-23,428.38-10,271.52

Finding the Fourth Proportional to 16,983.72, 23,428.38 and 10,271.52

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Solution

The fourth proportional to 16,983.72, 23,428.38 and 10,271.52 is: 14,169.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,983.72 : 23,428.38 = 10,271.52 : x
  2. Step 2: Convert to fraction form
    16,983.72/23,428.38 = 10,271.52/x
  3. Step 3: Cross multiply
    16,983.72x = 23,428.38 × 10,271.52
  4. Step 4: Simplify right side
    16,983.72x = 240,645,073.74
  5. Step 5: Solve for x
    x = 240,645,073.74/16,983.72
  6. Step 6: Final answer
    x = 14,169.16

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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.