Home / 31,654.11-47,459.30-13,876.23

Finding the Fourth Proportional to 31,654.11, 47,459.30 and 13,876.23

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Solution

The fourth proportional to 31,654.11, 47,459.30 and 13,876.23 is: 20,804.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,654.11 : 47,459.30 = 13,876.23 : x
  2. Step 2: Convert to fraction form
    31,654.11/47,459.30 = 13,876.23/x
  3. Step 3: Cross multiply
    31,654.11x = 47,459.30 × 13,876.23
  4. Step 4: Simplify right side
    31,654.11x = 658,556,093.06
  5. Step 5: Solve for x
    x = 658,556,093.06/31,654.11
  6. Step 6: Final answer
    x = 20,804.76

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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.