Home / 16,225.48-22,390.66-9,151.80

Finding the Fourth Proportional to 16,225.48, 22,390.66 and 9,151.80

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Solution

The fourth proportional to 16,225.48, 22,390.66 and 9,151.80 is: 12,629.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,225.48 : 22,390.66 = 9,151.80 : x
  2. Step 2: Convert to fraction form
    16,225.48/22,390.66 = 9,151.80/x
  3. Step 3: Cross multiply
    16,225.48x = 22,390.66 × 9,151.80
  4. Step 4: Simplify right side
    16,225.48x = 204,914,842.19
  5. Step 5: Solve for x
    x = 204,914,842.19/16,225.48
  6. Step 6: Final answer
    x = 12,629.20

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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.