Home / 16,865.61-23,273.34-9,310.72

Finding the Fourth Proportional to 16,865.61, 23,273.34 and 9,310.72

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Solution

The fourth proportional to 16,865.61, 23,273.34 and 9,310.72 is: 12,848.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,865.61 : 23,273.34 = 9,310.72 : x
  2. Step 2: Convert to fraction form
    16,865.61/23,273.34 = 9,310.72/x
  3. Step 3: Cross multiply
    16,865.61x = 23,273.34 × 9,310.72
  4. Step 4: Simplify right side
    16,865.61x = 216,691,552.20
  5. Step 5: Solve for x
    x = 216,691,552.20/16,865.61
  6. Step 6: Final answer
    x = 12,848.13

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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.