Home / 22,236.96-30,686.90-12,165.22

Finding the Fourth Proportional to 22,236.96, 30,686.90 and 12,165.22

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Solution

The fourth proportional to 22,236.96, 30,686.90 and 12,165.22 is: 16,787.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,236.96 : 30,686.90 = 12,165.22 : x
  2. Step 2: Convert to fraction form
    22,236.96/30,686.90 = 12,165.22/x
  3. Step 3: Cross multiply
    22,236.96x = 30,686.90 × 12,165.22
  4. Step 4: Simplify right side
    22,236.96x = 373,312,935.58
  5. Step 5: Solve for x
    x = 373,312,935.58/22,236.96
  6. Step 6: Final answer
    x = 16,787.95

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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.