Home / 20,063.28-27,686.99-11,110.60

Finding the Fourth Proportional to 20,063.28, 27,686.99 and 11,110.60

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Solution

The fourth proportional to 20,063.28, 27,686.99 and 11,110.60 is: 15,332.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,063.28 : 27,686.99 = 11,110.60 : x
  2. Step 2: Convert to fraction form
    20,063.28/27,686.99 = 11,110.60/x
  3. Step 3: Cross multiply
    20,063.28x = 27,686.99 × 11,110.60
  4. Step 4: Simplify right side
    20,063.28x = 307,618,877.11
  5. Step 5: Solve for x
    x = 307,618,877.11/20,063.28
  6. Step 6: Final answer
    x = 15,332.43

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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.