Home / 22,912.10-34,368.15-11,219.30

Finding the Fourth Proportional to 22,912.10, 34,368.15 and 11,219.30

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Solution

The fourth proportional to 22,912.10, 34,368.15 and 11,219.30 is: 16,828.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,912.10 : 34,368.15 = 11,219.30 : x
  2. Step 2: Convert to fraction form
    22,912.10/34,368.15 = 11,219.30/x
  3. Step 3: Cross multiply
    22,912.10x = 34,368.15 × 11,219.30
  4. Step 4: Simplify right side
    22,912.10x = 385,586,585.30
  5. Step 5: Solve for x
    x = 385,586,585.30/22,912.10
  6. Step 6: Final answer
    x = 16,828.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.