Home / 17,229.75-23,779.17-10,515.21

Finding the Fourth Proportional to 17,229.75, 23,779.17 and 10,515.21

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Solution

The fourth proportional to 17,229.75, 23,779.17 and 10,515.21 is: 14,512.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,229.75 : 23,779.17 = 10,515.21 : x
  2. Step 2: Convert to fraction form
    17,229.75/23,779.17 = 10,515.21/x
  3. Step 3: Cross multiply
    17,229.75x = 23,779.17 × 10,515.21
  4. Step 4: Simplify right side
    17,229.75x = 250,042,966.18
  5. Step 5: Solve for x
    x = 250,042,966.18/17,229.75
  6. Step 6: Final answer
    x = 14,512.28

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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.