Home / 27,762.23-38,310.99-15,186.17

Finding the Fourth Proportional to 27,762.23, 38,310.99 and 15,186.17

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Solution

The fourth proportional to 27,762.23, 38,310.99 and 15,186.17 is: 20,956.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,762.23 : 38,310.99 = 15,186.17 : x
  2. Step 2: Convert to fraction form
    27,762.23/38,310.99 = 15,186.17/x
  3. Step 3: Cross multiply
    27,762.23x = 38,310.99 × 15,186.17
  4. Step 4: Simplify right side
    27,762.23x = 581,797,207.01
  5. Step 5: Solve for x
    x = 581,797,207.01/27,762.23
  6. Step 6: Final answer
    x = 20,956.43

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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.