Home / 20,723.74-28,598.97-11,292.46

Finding the Fourth Proportional to 20,723.74, 28,598.97 and 11,292.46

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Solution

The fourth proportional to 20,723.74, 28,598.97 and 11,292.46 is: 15,583.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,723.74 : 28,598.97 = 11,292.46 : x
  2. Step 2: Convert to fraction form
    20,723.74/28,598.97 = 11,292.46/x
  3. Step 3: Cross multiply
    20,723.74x = 28,598.97 × 11,292.46
  4. Step 4: Simplify right side
    20,723.74x = 322,952,724.77
  5. Step 5: Solve for x
    x = 322,952,724.77/20,723.74
  6. Step 6: Final answer
    x = 15,583.71

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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.