Home / 17,515.68-24,170.46-9,961.50

Finding the Fourth Proportional to 17,515.68, 24,170.46 and 9,961.50

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Solution

The fourth proportional to 17,515.68, 24,170.46 and 9,961.50 is: 13,746.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,515.68 : 24,170.46 = 9,961.50 : x
  2. Step 2: Convert to fraction form
    17,515.68/24,170.46 = 9,961.50/x
  3. Step 3: Cross multiply
    17,515.68x = 24,170.46 × 9,961.50
  4. Step 4: Simplify right side
    17,515.68x = 240,774,037.29
  5. Step 5: Solve for x
    x = 240,774,037.29/17,515.68
  6. Step 6: Final answer
    x = 13,746.20

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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.