Home / 15,983.23-22,046.57-10,605.55

Finding the Fourth Proportional to 15,983.23, 22,046.57 and 10,605.55

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Solution

The fourth proportional to 15,983.23, 22,046.57 and 10,605.55 is: 14,628.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,983.23 : 22,046.57 = 10,605.55 : x
  2. Step 2: Convert to fraction form
    15,983.23/22,046.57 = 10,605.55/x
  3. Step 3: Cross multiply
    15,983.23x = 22,046.57 × 10,605.55
  4. Step 4: Simplify right side
    15,983.23x = 233,815,947.44
  5. Step 5: Solve for x
    x = 233,815,947.44/15,983.23
  6. Step 6: Final answer
    x = 14,628.83

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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.