Home / 24,826.40-34,227.52-20,561.75

Finding the Fourth Proportional to 24,826.40, 34,227.52 and 20,561.75

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Solution

The fourth proportional to 24,826.40, 34,227.52 and 20,561.75 is: 28,347.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,826.40 : 34,227.52 = 20,561.75 : x
  2. Step 2: Convert to fraction form
    24,826.40/34,227.52 = 20,561.75/x
  3. Step 3: Cross multiply
    24,826.40x = 34,227.52 × 20,561.75
  4. Step 4: Simplify right side
    24,826.40x = 703,777,709.36
  5. Step 5: Solve for x
    x = 703,777,709.36/24,826.40
  6. Step 6: Final answer
    x = 28,347.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.