Home / 22,201.56-30,638.19-12,130.18

Finding the Fourth Proportional to 22,201.56, 30,638.19 and 12,130.18

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Solution

The fourth proportional to 22,201.56, 30,638.19 and 12,130.18 is: 16,739.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,201.56 : 30,638.19 = 12,130.18 : x
  2. Step 2: Convert to fraction form
    22,201.56/30,638.19 = 12,130.18/x
  3. Step 3: Cross multiply
    22,201.56x = 30,638.19 × 12,130.18
  4. Step 4: Simplify right side
    22,201.56x = 371,646,759.57
  5. Step 5: Solve for x
    x = 371,646,759.57/22,201.56
  6. Step 6: Final answer
    x = 16,739.67

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Half scale
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Double scale
Find fourth proportional to 22,202.56, 30,639.57 and 12,131.18
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.