Home / 20,032.20-27,568.08-18,807.48

Finding the Fourth Proportional to 20,032.20, 27,568.08 and 18,807.48

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Solution

The fourth proportional to 20,032.20, 27,568.08 and 18,807.48 is: 25,882.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,032.20 : 27,568.08 = 18,807.48 : x
  2. Step 2: Convert to fraction form
    20,032.20/27,568.08 = 18,807.48/x
  3. Step 3: Cross multiply
    20,032.20x = 27,568.08 × 18,807.48
  4. Step 4: Simplify right side
    20,032.20x = 518,486,113.24
  5. Step 5: Solve for x
    x = 518,486,113.24/20,032.20
  6. Step 6: Final answer
    x = 25,882.63

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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.