Home / 25,723.20-35,478.09-17,222.61

Finding the Fourth Proportional to 25,723.20, 35,478.09 and 17,222.61

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Solution

The fourth proportional to 25,723.20, 35,478.09 and 17,222.61 is: 23,753.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,723.20 : 35,478.09 = 17,222.61 : x
  2. Step 2: Convert to fraction form
    25,723.20/35,478.09 = 17,222.61/x
  3. Step 3: Cross multiply
    25,723.20x = 35,478.09 × 17,222.61
  4. Step 4: Simplify right side
    25,723.20x = 611,025,307.61
  5. Step 5: Solve for x
    x = 611,025,307.61/25,723.20
  6. Step 6: Final answer
    x = 23,753.86

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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.