Home / 27,666.28-38,179.08-15,091

Finding the Fourth Proportional to 27,666.28, 38,179.08 and 15,091

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Solution

The fourth proportional to 27,666.28, 38,179.08 and 15,091 is: 20,825.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,666.28 : 38,179.08 = 15,091 : x
  2. Step 2: Convert to fraction form
    27,666.28/38,179.08 = 15,091/x
  3. Step 3: Cross multiply
    27,666.28x = 38,179.08 × 15,091
  4. Step 4: Simplify right side
    27,666.28x = 576,160,496.28
  5. Step 5: Solve for x
    x = 576,160,496.28/27,666.28
  6. Step 6: Final answer
    x = 20,825.37

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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.