Home / 32,719.44-45,155.16-18,573.20

Finding the Fourth Proportional to 32,719.44, 45,155.16 and 18,573.20

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Solution

The fourth proportional to 32,719.44, 45,155.16 and 18,573.20 is: 25,632.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,719.44 : 45,155.16 = 18,573.20 : x
  2. Step 2: Convert to fraction form
    32,719.44/45,155.16 = 18,573.20/x
  3. Step 3: Cross multiply
    32,719.44x = 45,155.16 × 18,573.20
  4. Step 4: Simplify right side
    32,719.44x = 838,675,591.94
  5. Step 5: Solve for x
    x = 838,675,591.94/32,719.44
  6. Step 6: Final answer
    x = 25,632.33

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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.