Home / 15,282.22-21,072.40-9,610.04

Finding the Fourth Proportional to 15,282.22, 21,072.40 and 9,610.04

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Solution

The fourth proportional to 15,282.22, 21,072.40 and 9,610.04 is: 13,251.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,282.22 : 21,072.40 = 9,610.04 : x
  2. Step 2: Convert to fraction form
    15,282.22/21,072.40 = 9,610.04/x
  3. Step 3: Cross multiply
    15,282.22x = 21,072.40 × 9,610.04
  4. Step 4: Simplify right side
    15,282.22x = 202,506,689.61
  5. Step 5: Solve for x
    x = 202,506,689.61/15,282.22
  6. Step 6: Final answer
    x = 13,251.13

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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.