Home / 16,868.43-23,278.02-9,314.64

Finding the Fourth Proportional to 16,868.43, 23,278.02 and 9,314.64

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Solution

The fourth proportional to 16,868.43, 23,278.02 and 9,314.64 is: 12,853.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,868.43 : 23,278.02 = 9,314.64 : x
  2. Step 2: Convert to fraction form
    16,868.43/23,278.02 = 9,314.64/x
  3. Step 3: Cross multiply
    16,868.43x = 23,278.02 × 9,314.64
  4. Step 4: Simplify right side
    16,868.43x = 216,826,376.21
  5. Step 5: Solve for x
    x = 216,826,376.21/16,868.43
  6. Step 6: Final answer
    x = 12,853.97

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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.