Home / 43,521.57-65,270.55-11,924.01

Finding the Fourth Proportional to 43,521.57, 65,270.55 and 11,924.01

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Solution

The fourth proportional to 43,521.57, 65,270.55 and 11,924.01 is: 17,882.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,521.57 : 65,270.55 = 11,924.01 : x
  2. Step 2: Convert to fraction form
    43,521.57/65,270.55 = 11,924.01/x
  3. Step 3: Cross multiply
    43,521.57x = 65,270.55 × 11,924.01
  4. Step 4: Simplify right side
    43,521.57x = 778,286,690.91
  5. Step 5: Solve for x
    x = 778,286,690.91/43,521.57
  6. Step 6: Final answer
    x = 17,882.78

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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.