Home / 22,302.08-30,776.78-12,230.26

Finding the Fourth Proportional to 22,302.08, 30,776.78 and 12,230.26

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Solution

The fourth proportional to 22,302.08, 30,776.78 and 12,230.26 is: 16,877.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,302.08 : 30,776.78 = 12,230.26 : x
  2. Step 2: Convert to fraction form
    22,302.08/30,776.78 = 12,230.26/x
  3. Step 3: Cross multiply
    22,302.08x = 30,776.78 × 12,230.26
  4. Step 4: Simplify right side
    22,302.08x = 376,407,975.00
  5. Step 5: Solve for x
    x = 376,407,975.00/22,302.08
  6. Step 6: Final answer
    x = 16,877.71

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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.