Home / 27,669.68-38,184.48-15,094.64

Finding the Fourth Proportional to 27,669.68, 38,184.48 and 15,094.64

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Solution

The fourth proportional to 27,669.68, 38,184.48 and 15,094.64 is: 20,830.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,669.68 : 38,184.48 = 15,094.64 : x
  2. Step 2: Convert to fraction form
    27,669.68/38,184.48 = 15,094.64/x
  3. Step 3: Cross multiply
    27,669.68x = 38,184.48 × 15,094.64
  4. Step 4: Simplify right side
    27,669.68x = 576,380,979.19
  5. Step 5: Solve for x
    x = 576,380,979.19/27,669.68
  6. Step 6: Final answer
    x = 20,830.78

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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.