Home / 22,436.66-30,961.11-13,478.86

Finding the Fourth Proportional to 22,436.66, 30,961.11 and 13,478.86

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Solution

The fourth proportional to 22,436.66, 30,961.11 and 13,478.86 is: 18,599.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,436.66 : 30,961.11 = 13,478.86 : x
  2. Step 2: Convert to fraction form
    22,436.66/30,961.11 = 13,478.86/x
  3. Step 3: Cross multiply
    22,436.66x = 30,961.11 × 13,478.86
  4. Step 4: Simplify right side
    22,436.66x = 417,320,467.13
  5. Step 5: Solve for x
    x = 417,320,467.13/22,436.66
  6. Step 6: Final answer
    x = 18,599.94

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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.