Home / 22,226.91-30,668.02-13,272.66

Finding the Fourth Proportional to 22,226.91, 30,668.02 and 13,272.66

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Solution

The fourth proportional to 22,226.91, 30,668.02 and 13,272.66 is: 18,313.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,226.91 : 30,668.02 = 13,272.66 : x
  2. Step 2: Convert to fraction form
    22,226.91/30,668.02 = 13,272.66/x
  3. Step 3: Cross multiply
    22,226.91x = 30,668.02 × 13,272.66
  4. Step 4: Simplify right side
    22,226.91x = 407,046,169.15
  5. Step 5: Solve for x
    x = 407,046,169.15/22,226.91
  6. Step 6: Final answer
    x = 18,313.22

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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.