Home / 16,862.30-23,270.76-9,694.55

Finding the Fourth Proportional to 16,862.30, 23,270.76 and 9,694.55

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Solution

The fourth proportional to 16,862.30, 23,270.76 and 9,694.55 is: 13,378.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,862.30 : 23,270.76 = 9,694.55 : x
  2. Step 2: Convert to fraction form
    16,862.30/23,270.76 = 9,694.55/x
  3. Step 3: Cross multiply
    16,862.30x = 23,270.76 × 9,694.55
  4. Step 4: Simplify right side
    16,862.30x = 225,599,381.53
  5. Step 5: Solve for x
    x = 225,599,381.53/16,862.30
  6. Step 6: Final answer
    x = 13,378.92

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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.