Home / 27,945.84-38,565.37-15,199.03

Finding the Fourth Proportional to 27,945.84, 38,565.37 and 15,199.03

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Solution

The fourth proportional to 27,945.84, 38,565.37 and 15,199.03 is: 20,974.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,945.84 : 38,565.37 = 15,199.03 : x
  2. Step 2: Convert to fraction form
    27,945.84/38,565.37 = 15,199.03/x
  3. Step 3: Cross multiply
    27,945.84x = 38,565.37 × 15,199.03
  4. Step 4: Simplify right side
    27,945.84x = 586,155,980.37
  5. Step 5: Solve for x
    x = 586,155,980.37/27,945.84
  6. Step 6: Final answer
    x = 20,974.71

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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.