Home / 17,449.40-24,084.45-9,900.15

Finding the Fourth Proportional to 17,449.40, 24,084.45 and 9,900.15

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Solution

The fourth proportional to 17,449.40, 24,084.45 and 9,900.15 is: 13,664.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,449.40 : 24,084.45 = 9,900.15 : x
  2. Step 2: Convert to fraction form
    17,449.40/24,084.45 = 9,900.15/x
  3. Step 3: Cross multiply
    17,449.40x = 24,084.45 × 9,900.15
  4. Step 4: Simplify right side
    17,449.40x = 238,439,497.74
  5. Step 5: Solve for x
    x = 238,439,497.74/17,449.40
  6. Step 6: Final answer
    x = 13,664.62

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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.