Home / 27,581.12-38,061.84-15,006.08

Finding the Fourth Proportional to 27,581.12, 38,061.84 and 15,006.08

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Solution

The fourth proportional to 27,581.12, 38,061.84 and 15,006.08 is: 20,708.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,581.12 : 38,061.84 = 15,006.08 : x
  2. Step 2: Convert to fraction form
    27,581.12/38,061.84 = 15,006.08/x
  3. Step 3: Cross multiply
    27,581.12x = 38,061.84 × 15,006.08
  4. Step 4: Simplify right side
    27,581.12x = 571,159,015.99
  5. Step 5: Solve for x
    x = 571,159,015.99/27,581.12
  6. Step 6: Final answer
    x = 20,708.33

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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.