Home / 43,576.51-65,375.66-12,411.76

Finding the Fourth Proportional to 43,576.51, 65,375.66 and 12,411.76

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Solution

The fourth proportional to 43,576.51, 65,375.66 and 12,411.76 is: 18,620.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,576.51 : 65,375.66 = 12,411.76 : x
  2. Step 2: Convert to fraction form
    43,576.51/65,375.66 = 12,411.76/x
  3. Step 3: Cross multiply
    43,576.51x = 65,375.66 × 12,411.76
  4. Step 4: Simplify right side
    43,576.51x = 811,426,612.82
  5. Step 5: Solve for x
    x = 811,426,612.82/43,576.51
  6. Step 6: Final answer
    x = 18,620.74

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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.