Home / 23,009.40-34,514.10-19,400.85

Finding the Fourth Proportional to 23,009.40, 34,514.10 and 19,400.85

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Solution

The fourth proportional to 23,009.40, 34,514.10 and 19,400.85 is: 29,101.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,009.40 : 34,514.10 = 19,400.85 : x
  2. Step 2: Convert to fraction form
    23,009.40/34,514.10 = 19,400.85/x
  3. Step 3: Cross multiply
    23,009.40x = 34,514.10 × 19,400.85
  4. Step 4: Simplify right side
    23,009.40x = 669,602,876.99
  5. Step 5: Solve for x
    x = 669,602,876.99/23,009.40
  6. Step 6: Final answer
    x = 29,101.28

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Similar ratio
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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.