Home / 27,694.23-38,217.99-15,118.98

Finding the Fourth Proportional to 27,694.23, 38,217.99 and 15,118.98

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Solution

The fourth proportional to 27,694.23, 38,217.99 and 15,118.98 is: 20,864.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,694.23 : 38,217.99 = 15,118.98 : x
  2. Step 2: Convert to fraction form
    27,694.23/38,217.99 = 15,118.98/x
  3. Step 3: Cross multiply
    27,694.23x = 38,217.99 × 15,118.98
  4. Step 4: Simplify right side
    27,694.23x = 577,817,026.45
  5. Step 5: Solve for x
    x = 577,817,026.45/27,694.23
  6. Step 6: Final answer
    x = 20,864.17

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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.