Home / 22,230.18-30,677.94-12,798.54

Finding the Fourth Proportional to 22,230.18, 30,677.94 and 12,798.54

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Solution

The fourth proportional to 22,230.18, 30,677.94 and 12,798.54 is: 17,662.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,230.18 : 30,677.94 = 12,798.54 : x
  2. Step 2: Convert to fraction form
    22,230.18/30,677.94 = 12,798.54/x
  3. Step 3: Cross multiply
    22,230.18x = 30,677.94 × 12,798.54
  4. Step 4: Simplify right side
    22,230.18x = 392,632,842.21
  5. Step 5: Solve for x
    x = 392,632,842.21/22,230.18
  6. Step 6: Final answer
    x = 17,662.15

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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.