Home / 22,236.93-30,686.67-12,165.66

Finding the Fourth Proportional to 22,236.93, 30,686.67 and 12,165.66

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Solution

The fourth proportional to 22,236.93, 30,686.67 and 12,165.66 is: 16,788.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,236.93 : 30,686.67 = 12,165.66 : x
  2. Step 2: Convert to fraction form
    22,236.93/30,686.67 = 12,165.66/x
  3. Step 3: Cross multiply
    22,236.93x = 30,686.67 × 12,165.66
  4. Step 4: Simplify right side
    22,236.93x = 373,323,593.75
  5. Step 5: Solve for x
    x = 373,323,593.75/22,236.93
  6. Step 6: Final answer
    x = 16,788.45

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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.