Home / 32,872.05-45,363.92-18,724.59

Finding the Fourth Proportional to 32,872.05, 45,363.92 and 18,724.59

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Solution

The fourth proportional to 32,872.05, 45,363.92 and 18,724.59 is: 25,840.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,872.05 : 45,363.92 = 18,724.59 : x
  2. Step 2: Convert to fraction form
    32,872.05/45,363.92 = 18,724.59/x
  3. Step 3: Cross multiply
    32,872.05x = 45,363.92 × 18,724.59
  4. Step 4: Simplify right side
    32,872.05x = 849,420,709.17
  5. Step 5: Solve for x
    x = 849,420,709.17/32,872.05
  6. Step 6: Final answer
    x = 25,840.21

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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.