Home / 27,675.14-38,192.12-15,099.88

Finding the Fourth Proportional to 27,675.14, 38,192.12 and 15,099.88

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Solution

The fourth proportional to 27,675.14, 38,192.12 and 15,099.88 is: 20,838.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,675.14 : 38,192.12 = 15,099.88 : x
  2. Step 2: Convert to fraction form
    27,675.14/38,192.12 = 15,099.88/x
  3. Step 3: Cross multiply
    27,675.14x = 38,192.12 × 15,099.88
  4. Step 4: Simplify right side
    27,675.14x = 576,696,428.95
  5. Step 5: Solve for x
    x = 576,696,428.95/27,675.14
  6. Step 6: Final answer
    x = 20,838.07

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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.