Home / 21,601.38-32,341.86-11,048.70

Finding the Fourth Proportional to 21,601.38, 32,341.86 and 11,048.70

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Solution

The fourth proportional to 21,601.38, 32,341.86 and 11,048.70 is: 16,542.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,601.38 : 32,341.86 = 11,048.70 : x
  2. Step 2: Convert to fraction form
    21,601.38/32,341.86 = 11,048.70/x
  3. Step 3: Cross multiply
    21,601.38x = 32,341.86 × 11,048.70
  4. Step 4: Simplify right side
    21,601.38x = 357,335,508.58
  5. Step 5: Solve for x
    x = 357,335,508.58/21,601.38
  6. Step 6: Final answer
    x = 16,542.25

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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.