Home / 13,211.64-18,226.08-10,562.76

Finding the Fourth Proportional to 13,211.64, 18,226.08 and 10,562.76

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Solution

The fourth proportional to 13,211.64, 18,226.08 and 10,562.76 is: 14,571.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,211.64 : 18,226.08 = 10,562.76 : x
  2. Step 2: Convert to fraction form
    13,211.64/18,226.08 = 10,562.76/x
  3. Step 3: Cross multiply
    13,211.64x = 18,226.08 × 10,562.76
  4. Step 4: Simplify right side
    13,211.64x = 192,517,708.78
  5. Step 5: Solve for x
    x = 192,517,708.78/13,211.64
  6. Step 6: Final answer
    x = 14,571.83

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Half scale
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Double scale
Find fourth proportional to 13,212.64, 18,227.46 and 10,563.76
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.