Home / 16,974.15-23,429.76-9,901.95

Finding the Fourth Proportional to 16,974.15, 23,429.76 and 9,901.95

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Solution

The fourth proportional to 16,974.15, 23,429.76 and 9,901.95 is: 13,667.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,974.15 : 23,429.76 = 9,901.95 : x
  2. Step 2: Convert to fraction form
    16,974.15/23,429.76 = 9,901.95/x
  3. Step 3: Cross multiply
    16,974.15x = 23,429.76 × 9,901.95
  4. Step 4: Simplify right side
    16,974.15x = 232,000,312.03
  5. Step 5: Solve for x
    x = 232,000,312.03/16,974.15
  6. Step 6: Final answer
    x = 13,667.86

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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.