Home / 17,583.45-24,276.48-15,691.79

Finding the Fourth Proportional to 17,583.45, 24,276.48 and 15,691.79

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Solution

The fourth proportional to 17,583.45, 24,276.48 and 15,691.79 is: 21,664.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,583.45 : 24,276.48 = 15,691.79 : x
  2. Step 2: Convert to fraction form
    17,583.45/24,276.48 = 15,691.79/x
  3. Step 3: Cross multiply
    17,583.45x = 24,276.48 × 15,691.79
  4. Step 4: Simplify right side
    17,583.45x = 380,941,304.72
  5. Step 5: Solve for x
    x = 380,941,304.72/17,583.45
  6. Step 6: Final answer
    x = 21,664.76

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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.