Home / 32,145.12-44,352.54-18,708.12

Finding the Fourth Proportional to 32,145.12, 44,352.54 and 18,708.12

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Solution

The fourth proportional to 32,145.12, 44,352.54 and 18,708.12 is: 25,812.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,145.12 : 44,352.54 = 18,708.12 : x
  2. Step 2: Convert to fraction form
    32,145.12/44,352.54 = 18,708.12/x
  3. Step 3: Cross multiply
    32,145.12x = 44,352.54 × 18,708.12
  4. Step 4: Simplify right side
    32,145.12x = 829,752,640.62
  5. Step 5: Solve for x
    x = 829,752,640.62/32,145.12
  6. Step 6: Final answer
    x = 25,812.71

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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.