Home / 17,515.34-24,171.21-9,961.48

Finding the Fourth Proportional to 17,515.34, 24,171.21 and 9,961.48

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Solution

The fourth proportional to 17,515.34, 24,171.21 and 9,961.48 is: 13,746.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,515.34 : 24,171.21 = 9,961.48 : x
  2. Step 2: Convert to fraction form
    17,515.34/24,171.21 = 9,961.48/x
  3. Step 3: Cross multiply
    17,515.34x = 24,171.21 × 9,961.48
  4. Step 4: Simplify right side
    17,515.34x = 240,781,024.99
  5. Step 5: Solve for x
    x = 240,781,024.99/17,515.34
  6. Step 6: Final answer
    x = 13,746.87

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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.