Home / 15,980.79-22,052.35-9,265.29

Finding the Fourth Proportional to 15,980.79, 22,052.35 and 9,265.29

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Solution

The fourth proportional to 15,980.79, 22,052.35 and 9,265.29 is: 12,785.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,980.79 : 22,052.35 = 9,265.29 : x
  2. Step 2: Convert to fraction form
    15,980.79/22,052.35 = 9,265.29/x
  3. Step 3: Cross multiply
    15,980.79x = 22,052.35 × 9,265.29
  4. Step 4: Simplify right side
    15,980.79x = 204,321,346.82
  5. Step 5: Solve for x
    x = 204,321,346.82/15,980.79
  6. Step 6: Final answer
    x = 12,785.43

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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.