Home / 43,872.22-65,810.58-12,282.22

Finding the Fourth Proportional to 43,872.22, 65,810.58 and 12,282.22

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Solution

The fourth proportional to 43,872.22, 65,810.58 and 12,282.22 is: 18,423.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,872.22 : 65,810.58 = 12,282.22 : x
  2. Step 2: Convert to fraction form
    43,872.22/65,810.58 = 12,282.22/x
  3. Step 3: Cross multiply
    43,872.22x = 65,810.58 × 12,282.22
  4. Step 4: Simplify right side
    43,872.22x = 808,300,021.89
  5. Step 5: Solve for x
    x = 808,300,021.89/43,872.22
  6. Step 6: Final answer
    x = 18,423.96

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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.