Home / 32,832.70-45,311.08-18,685.66

Finding the Fourth Proportional to 32,832.70, 45,311.08 and 18,685.66

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Solution

The fourth proportional to 32,832.70, 45,311.08 and 18,685.66 is: 25,787.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,832.70 : 45,311.08 = 18,685.66 : x
  2. Step 2: Convert to fraction form
    32,832.70/45,311.08 = 18,685.66/x
  3. Step 3: Cross multiply
    32,832.70x = 45,311.08 × 18,685.66
  4. Step 4: Simplify right side
    32,832.70x = 846,667,435.11
  5. Step 5: Solve for x
    x = 846,667,435.11/32,832.70
  6. Step 6: Final answer
    x = 25,787.32

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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.