Home / 23,298.20-34,778.39-21,563.79

Finding the Fourth Proportional to 23,298.20, 34,778.39 and 21,563.79

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Solution

The fourth proportional to 23,298.20, 34,778.39 and 21,563.79 is: 32,189.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,298.20 : 34,778.39 = 21,563.79 : x
  2. Step 2: Convert to fraction form
    23,298.20/34,778.39 = 21,563.79/x
  3. Step 3: Cross multiply
    23,298.20x = 34,778.39 × 21,563.79
  4. Step 4: Simplify right side
    23,298.20x = 749,953,790.68
  5. Step 5: Solve for x
    x = 749,953,790.68/23,298.20
  6. Step 6: Final answer
    x = 32,189.35

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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.