Home / 14,549.69-20,077.67-8,581.61

Finding the Fourth Proportional to 14,549.69, 20,077.67 and 8,581.61

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Solution

The fourth proportional to 14,549.69, 20,077.67 and 8,581.61 is: 11,842.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,549.69 : 20,077.67 = 8,581.61 : x
  2. Step 2: Convert to fraction form
    14,549.69/20,077.67 = 8,581.61/x
  3. Step 3: Cross multiply
    14,549.69x = 20,077.67 × 8,581.61
  4. Step 4: Simplify right side
    14,549.69x = 172,298,733.65
  5. Step 5: Solve for x
    x = 172,298,733.65/14,549.69
  6. Step 6: Final answer
    x = 11,842.09

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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.