Home / 20,025.28-27,636.90-11,073.46

Finding the Fourth Proportional to 20,025.28, 27,636.90 and 11,073.46

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Solution

The fourth proportional to 20,025.28, 27,636.90 and 11,073.46 is: 15,282.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,025.28 : 27,636.90 = 11,073.46 : x
  2. Step 2: Convert to fraction form
    20,025.28/27,636.90 = 11,073.46/x
  3. Step 3: Cross multiply
    20,025.28x = 27,636.90 × 11,073.46
  4. Step 4: Simplify right side
    20,025.28x = 306,036,106.67
  5. Step 5: Solve for x
    x = 306,036,106.67/20,025.28
  6. Step 6: Final answer
    x = 15,282.49

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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.