Home / 14,540.40-21,821.64-10,654.96

Finding the Fourth Proportional to 14,540.40, 21,821.64 and 10,654.96

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Solution

The fourth proportional to 14,540.40, 21,821.64 and 10,654.96 is: 15,990.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,540.40 : 21,821.64 = 10,654.96 : x
  2. Step 2: Convert to fraction form
    14,540.40/21,821.64 = 10,654.96/x
  3. Step 3: Cross multiply
    14,540.40x = 21,821.64 × 10,654.96
  4. Step 4: Simplify right side
    14,540.40x = 232,508,701.33
  5. Step 5: Solve for x
    x = 232,508,701.33/14,540.40
  6. Step 6: Final answer
    x = 15,990.53

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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.