Home / 22,165.38-30,586.14-13,211.10

Finding the Fourth Proportional to 22,165.38, 30,586.14 and 13,211.10

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Solution

The fourth proportional to 22,165.38, 30,586.14 and 13,211.10 is: 18,230.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,165.38 : 30,586.14 = 13,211.10 : x
  2. Step 2: Convert to fraction form
    22,165.38/30,586.14 = 13,211.10/x
  3. Step 3: Cross multiply
    22,165.38x = 30,586.14 × 13,211.10
  4. Step 4: Simplify right side
    22,165.38x = 404,076,554.15
  5. Step 5: Solve for x
    x = 404,076,554.15/22,165.38
  6. Step 6: Final answer
    x = 18,230.08

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Half scale
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Double scale
Find fourth proportional to 22,166.38, 30,587.52 and 13,212.10
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.