Home / 32,872.56-45,358.92-18,725.68

Finding the Fourth Proportional to 32,872.56, 45,358.92 and 18,725.68

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Solution

The fourth proportional to 32,872.56, 45,358.92 and 18,725.68 is: 25,838.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,872.56 : 45,358.92 = 18,725.68 : x
  2. Step 2: Convert to fraction form
    32,872.56/45,358.92 = 18,725.68/x
  3. Step 3: Cross multiply
    32,872.56x = 45,358.92 × 18,725.68
  4. Step 4: Simplify right side
    32,872.56x = 849,376,621.07
  5. Step 5: Solve for x
    x = 849,376,621.07/32,872.56
  6. Step 6: Final answer
    x = 25,838.47

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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.