Home / 43,800.96-65,700.51-14,218.75

Finding the Fourth Proportional to 43,800.96, 65,700.51 and 14,218.75

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Solution

The fourth proportional to 43,800.96, 65,700.51 and 14,218.75 is: 21,327.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,800.96 : 65,700.51 = 14,218.75 : x
  2. Step 2: Convert to fraction form
    43,800.96/65,700.51 = 14,218.75/x
  3. Step 3: Cross multiply
    43,800.96x = 65,700.51 × 14,218.75
  4. Step 4: Simplify right side
    43,800.96x = 934,179,126.56
  5. Step 5: Solve for x
    x = 934,179,126.56/43,800.96
  6. Step 6: Final answer
    x = 21,327.82

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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.