Home / 32,725.30-45,161.14-18,578.38

Finding the Fourth Proportional to 32,725.30, 45,161.14 and 18,578.38

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Solution

The fourth proportional to 32,725.30, 45,161.14 and 18,578.38 is: 25,638.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,725.30 : 45,161.14 = 18,578.38 : x
  2. Step 2: Convert to fraction form
    32,725.30/45,161.14 = 18,578.38/x
  3. Step 3: Cross multiply
    32,725.30x = 45,161.14 × 18,578.38
  4. Step 4: Simplify right side
    32,725.30x = 839,020,820.15
  5. Step 5: Solve for x
    x = 839,020,820.15/32,725.30
  6. Step 6: Final answer
    x = 25,638.29

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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.