Home / 22,795.43-31,458.84-12,723.95

Finding the Fourth Proportional to 22,795.43, 31,458.84 and 12,723.95

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Solution

The fourth proportional to 22,795.43, 31,458.84 and 12,723.95 is: 17,559.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,795.43 : 31,458.84 = 12,723.95 : x
  2. Step 2: Convert to fraction form
    22,795.43/31,458.84 = 12,723.95/x
  3. Step 3: Cross multiply
    22,795.43x = 31,458.84 × 12,723.95
  4. Step 4: Simplify right side
    22,795.43x = 400,280,614.38
  5. Step 5: Solve for x
    x = 400,280,614.38/22,795.43
  6. Step 6: Final answer
    x = 17,559.69

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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.