Home / 32,872.68-45,364.86-18,725.76

Finding the Fourth Proportional to 32,872.68, 45,364.86 and 18,725.76

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Solution

The fourth proportional to 32,872.68, 45,364.86 and 18,725.76 is: 25,841.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,872.68 : 45,364.86 = 18,725.76 : x
  2. Step 2: Convert to fraction form
    32,872.68/45,364.86 = 18,725.76/x
  3. Step 3: Cross multiply
    32,872.68x = 45,364.86 × 18,725.76
  4. Step 4: Simplify right side
    32,872.68x = 849,491,480.79
  5. Step 5: Solve for x
    x = 849,491,480.79/32,872.68
  6. Step 6: Final answer
    x = 25,841.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.