Home / 32,725.68-45,161.72-18,385.80

Finding the Fourth Proportional to 32,725.68, 45,161.72 and 18,385.80

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Solution

The fourth proportional to 32,725.68, 45,161.72 and 18,385.80 is: 25,372.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,725.68 : 45,161.72 = 18,385.80 : x
  2. Step 2: Convert to fraction form
    32,725.68/45,161.72 = 18,385.80/x
  3. Step 3: Cross multiply
    32,725.68x = 45,161.72 × 18,385.80
  4. Step 4: Simplify right side
    32,725.68x = 830,334,259.65
  5. Step 5: Solve for x
    x = 830,334,259.65/32,725.68
  6. Step 6: Final answer
    x = 25,372.56

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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.