Home / 16,863.75-23,272.02-9,411.75

Finding the Fourth Proportional to 16,863.75, 23,272.02 and 9,411.75

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Solution

The fourth proportional to 16,863.75, 23,272.02 and 9,411.75 is: 12,988.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,863.75 : 23,272.02 = 9,411.75 : x
  2. Step 2: Convert to fraction form
    16,863.75/23,272.02 = 9,411.75/x
  3. Step 3: Cross multiply
    16,863.75x = 23,272.02 × 9,411.75
  4. Step 4: Simplify right side
    16,863.75x = 219,030,434.24
  5. Step 5: Solve for x
    x = 219,030,434.24/16,863.75
  6. Step 6: Final answer
    x = 12,988.24

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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.