Home / 20,924.01-28,866.24-17,723.70

Finding the Fourth Proportional to 20,924.01, 28,866.24 and 17,723.70

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Solution

The fourth proportional to 20,924.01, 28,866.24 and 17,723.70 is: 24,451.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,924.01 : 28,866.24 = 17,723.70 : x
  2. Step 2: Convert to fraction form
    20,924.01/28,866.24 = 17,723.70/x
  3. Step 3: Cross multiply
    20,924.01x = 28,866.24 × 17,723.70
  4. Step 4: Simplify right side
    20,924.01x = 511,616,577.89
  5. Step 5: Solve for x
    x = 511,616,577.89/20,924.01
  6. Step 6: Final answer
    x = 24,451.17

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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.