Home / 14,094.38-21,123.20-7,854.14

Finding the Fourth Proportional to 14,094.38, 21,123.20 and 7,854.14

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Solution

The fourth proportional to 14,094.38, 21,123.20 and 7,854.14 is: 11,770.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,094.38 : 21,123.20 = 7,854.14 : x
  2. Step 2: Convert to fraction form
    14,094.38/21,123.20 = 7,854.14/x
  3. Step 3: Cross multiply
    14,094.38x = 21,123.20 × 7,854.14
  4. Step 4: Simplify right side
    14,094.38x = 165,904,570.05
  5. Step 5: Solve for x
    x = 165,904,570.05/14,094.38
  6. Step 6: Final answer
    x = 11,770.97

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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.