Home / 43,502.24-65,239.32-12,329.12

Finding the Fourth Proportional to 43,502.24, 65,239.32 and 12,329.12

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Solution

The fourth proportional to 43,502.24, 65,239.32 and 12,329.12 is: 18,489.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,502.24 : 65,239.32 = 12,329.12 : x
  2. Step 2: Convert to fraction form
    43,502.24/65,239.32 = 12,329.12/x
  3. Step 3: Cross multiply
    43,502.24x = 65,239.32 × 12,329.12
  4. Step 4: Simplify right side
    43,502.24x = 804,343,405.00
  5. Step 5: Solve for x
    x = 804,343,405.00/43,502.24
  6. Step 6: Final answer
    x = 18,489.70

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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.