Home / 23,296.20-34,775.40-21,561.78

Finding the Fourth Proportional to 23,296.20, 34,775.40 and 21,561.78

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Solution

The fourth proportional to 23,296.20, 34,775.40 and 21,561.78 is: 32,186.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,296.20 : 34,775.40 = 21,561.78 : x
  2. Step 2: Convert to fraction form
    23,296.20/34,775.40 = 21,561.78/x
  3. Step 3: Cross multiply
    23,296.20x = 34,775.40 × 21,561.78
  4. Step 4: Simplify right side
    23,296.20x = 749,819,524.21
  5. Step 5: Solve for x
    x = 749,819,524.21/23,296.20
  6. Step 6: Final answer
    x = 32,186.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.