Home / 43,496.16-65,244.12-12,331.68

Finding the Fourth Proportional to 43,496.16, 65,244.12 and 12,331.68

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Solution

The fourth proportional to 43,496.16, 65,244.12 and 12,331.68 is: 18,497.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,496.16 : 65,244.12 = 12,331.68 : x
  2. Step 2: Convert to fraction form
    43,496.16/65,244.12 = 12,331.68/x
  3. Step 3: Cross multiply
    43,496.16x = 65,244.12 × 12,331.68
  4. Step 4: Simplify right side
    43,496.16x = 804,569,609.72
  5. Step 5: Solve for x
    x = 804,569,609.72/43,496.16
  6. Step 6: Final answer
    x = 18,497.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.