Home / 27,666.68-38,180.34-15,091.64

Finding the Fourth Proportional to 27,666.68, 38,180.34 and 15,091.64

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Solution

The fourth proportional to 27,666.68, 38,180.34 and 15,091.64 is: 20,826.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,666.68 : 38,180.34 = 15,091.64 : x
  2. Step 2: Convert to fraction form
    27,666.68/38,180.34 = 15,091.64/x
  3. Step 3: Cross multiply
    27,666.68x = 38,180.34 × 15,091.64
  4. Step 4: Simplify right side
    27,666.68x = 576,203,946.36
  5. Step 5: Solve for x
    x = 576,203,946.36/27,666.68
  6. Step 6: Final answer
    x = 20,826.64

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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.