Home / 22,236.19-30,680.77-13,281.91

Finding the Fourth Proportional to 22,236.19, 30,680.77 and 13,281.91

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Solution

The fourth proportional to 22,236.19, 30,680.77 and 13,281.91 is: 18,325.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,236.19 : 30,680.77 = 13,281.91 : x
  2. Step 2: Convert to fraction form
    22,236.19/30,680.77 = 13,281.91/x
  3. Step 3: Cross multiply
    22,236.19x = 30,680.77 × 13,281.91
  4. Step 4: Simplify right side
    22,236.19x = 407,499,225.87
  5. Step 5: Solve for x
    x = 407,499,225.87/22,236.19
  6. Step 6: Final answer
    x = 18,325.95

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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.