Home / 43,821.92-65,738.80-14,230.16

Finding the Fourth Proportional to 43,821.92, 65,738.80 and 14,230.16

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Solution

The fourth proportional to 43,821.92, 65,738.80 and 14,230.16 is: 21,347.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,821.92 : 65,738.80 = 14,230.16 : x
  2. Step 2: Convert to fraction form
    43,821.92/65,738.80 = 14,230.16/x
  3. Step 3: Cross multiply
    43,821.92x = 65,738.80 × 14,230.16
  4. Step 4: Simplify right side
    43,821.92x = 935,473,642.21
  5. Step 5: Solve for x
    x = 935,473,642.21/43,821.92
  6. Step 6: Final answer
    x = 21,347.16

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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.