Home / 27,673.68-38,190-15,098.64

Finding the Fourth Proportional to 27,673.68, 38,190 and 15,098.64

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Solution

The fourth proportional to 27,673.68, 38,190 and 15,098.64 is: 20,836.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,673.68 : 38,190 = 15,098.64 : x
  2. Step 2: Convert to fraction form
    27,673.68/38,190 = 15,098.64/x
  3. Step 3: Cross multiply
    27,673.68x = 38,190 × 15,098.64
  4. Step 4: Simplify right side
    27,673.68x = 576,617,061.60
  5. Step 5: Solve for x
    x = 576,617,061.60/27,673.68
  6. Step 6: Final answer
    x = 20,836.30

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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.