Home / 22,248.72-33,374.16-18,345.96

Finding the Fourth Proportional to 22,248.72, 33,374.16 and 18,345.96

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Solution

The fourth proportional to 22,248.72, 33,374.16 and 18,345.96 is: 27,519.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,248.72 : 33,374.16 = 18,345.96 : x
  2. Step 2: Convert to fraction form
    22,248.72/33,374.16 = 18,345.96/x
  3. Step 3: Cross multiply
    22,248.72x = 33,374.16 × 18,345.96
  4. Step 4: Simplify right side
    22,248.72x = 612,281,004.39
  5. Step 5: Solve for x
    x = 612,281,004.39/22,248.72
  6. Step 6: Final answer
    x = 27,519.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.