Home / 23,990.38-33,107.07-13,235.20

Finding the Fourth Proportional to 23,990.38, 33,107.07 and 13,235.20

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Solution

The fourth proportional to 23,990.38, 33,107.07 and 13,235.20 is: 18,264.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,990.38 : 33,107.07 = 13,235.20 : x
  2. Step 2: Convert to fraction form
    23,990.38/33,107.07 = 13,235.20/x
  3. Step 3: Cross multiply
    23,990.38x = 33,107.07 × 13,235.20
  4. Step 4: Simplify right side
    23,990.38x = 438,178,692.86
  5. Step 5: Solve for x
    x = 438,178,692.86/23,990.38
  6. Step 6: Final answer
    x = 18,264.77

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Half scale
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Double scale
Find fourth proportional to 23,991.38, 33,108.45 and 13,236.20
Similar ratio
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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.