Home / 16,935.61-23,371.97-10,221.12

Finding the Fourth Proportional to 16,935.61, 23,371.97 and 10,221.12

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Solution

The fourth proportional to 16,935.61, 23,371.97 and 10,221.12 is: 14,105.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,935.61 : 23,371.97 = 10,221.12 : x
  2. Step 2: Convert to fraction form
    16,935.61/23,371.97 = 10,221.12/x
  3. Step 3: Cross multiply
    16,935.61x = 23,371.97 × 10,221.12
  4. Step 4: Simplify right side
    16,935.61x = 238,887,710.01
  5. Step 5: Solve for x
    x = 238,887,710.01/16,935.61
  6. Step 6: Final answer
    x = 14,105.65

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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.