Home / 32,725.50-45,161.28-18,580.56

Finding the Fourth Proportional to 32,725.50, 45,161.28 and 18,580.56

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Solution

The fourth proportional to 32,725.50, 45,161.28 and 18,580.56 is: 25,641.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,725.50 : 45,161.28 = 18,580.56 : x
  2. Step 2: Convert to fraction form
    32,725.50/45,161.28 = 18,580.56/x
  3. Step 3: Cross multiply
    32,725.50x = 45,161.28 × 18,580.56
  4. Step 4: Simplify right side
    32,725.50x = 839,121,872.72
  5. Step 5: Solve for x
    x = 839,121,872.72/32,725.50
  6. Step 6: Final answer
    x = 25,641.22

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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.