Home / 18,956.11-28,433.14-5,808.52

Finding the Fourth Proportional to 18,956.11, 28,433.14 and 5,808.52

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Solution

The fourth proportional to 18,956.11, 28,433.14 and 5,808.52 is: 8,712.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,956.11 : 28,433.14 = 5,808.52 : x
  2. Step 2: Convert to fraction form
    18,956.11/28,433.14 = 5,808.52/x
  3. Step 3: Cross multiply
    18,956.11x = 28,433.14 × 5,808.52
  4. Step 4: Simplify right side
    18,956.11x = 165,154,387.26
  5. Step 5: Solve for x
    x = 165,154,387.26/18,956.11
  6. Step 6: Final answer
    x = 8,712.46

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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.