Home / 22,083.38-30,482.98-13,130.86

Finding the Fourth Proportional to 22,083.38, 30,482.98 and 13,130.86

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Solution

The fourth proportional to 22,083.38, 30,482.98 and 13,130.86 is: 18,125.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,083.38 : 30,482.98 = 13,130.86 : x
  2. Step 2: Convert to fraction form
    22,083.38/30,482.98 = 13,130.86/x
  3. Step 3: Cross multiply
    22,083.38x = 30,482.98 × 13,130.86
  4. Step 4: Simplify right side
    22,083.38x = 400,267,764.74
  5. Step 5: Solve for x
    x = 400,267,764.74/22,083.38
  6. Step 6: Final answer
    x = 18,125.29

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Double scale
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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.