Home / 27,895.15-38,476.19-17,819.11

Finding the Fourth Proportional to 27,895.15, 38,476.19 and 17,819.11

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Solution

The fourth proportional to 27,895.15, 38,476.19 and 17,819.11 is: 24,578.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,895.15 : 38,476.19 = 17,819.11 : x
  2. Step 2: Convert to fraction form
    27,895.15/38,476.19 = 17,819.11/x
  3. Step 3: Cross multiply
    27,895.15x = 38,476.19 × 17,819.11
  4. Step 4: Simplify right side
    27,895.15x = 685,611,588.04
  5. Step 5: Solve for x
    x = 685,611,588.04/27,895.15
  6. Step 6: Final answer
    x = 24,578.17

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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.