Home / 22,232.34-30,680.19-12,160.67

Finding the Fourth Proportional to 22,232.34, 30,680.19 and 12,160.67

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Solution

The fourth proportional to 22,232.34, 30,680.19 and 12,160.67 is: 16,781.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,232.34 : 30,680.19 = 12,160.67 : x
  2. Step 2: Convert to fraction form
    22,232.34/30,680.19 = 12,160.67/x
  3. Step 3: Cross multiply
    22,232.34x = 30,680.19 × 12,160.67
  4. Step 4: Simplify right side
    22,232.34x = 373,091,512.73
  5. Step 5: Solve for x
    x = 373,091,512.73/22,232.34
  6. Step 6: Final answer
    x = 16,781.48

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Half scale
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Double scale
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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.