Home / 27,786.13-38,337.01-16,450.65

Finding the Fourth Proportional to 27,786.13, 38,337.01 and 16,450.65

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Solution

The fourth proportional to 27,786.13, 38,337.01 and 16,450.65 is: 22,697.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,786.13 : 38,337.01 = 16,450.65 : x
  2. Step 2: Convert to fraction form
    27,786.13/38,337.01 = 16,450.65/x
  3. Step 3: Cross multiply
    27,786.13x = 38,337.01 × 16,450.65
  4. Step 4: Simplify right side
    27,786.13x = 630,668,733.56
  5. Step 5: Solve for x
    x = 630,668,733.56/27,786.13
  6. Step 6: Final answer
    x = 22,697.25

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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.