Home / 19,471.04-26,872.15-11,922.46

Finding the Fourth Proportional to 19,471.04, 26,872.15 and 11,922.46

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Solution

The fourth proportional to 19,471.04, 26,872.15 and 11,922.46 is: 16,454.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,471.04 : 26,872.15 = 11,922.46 : x
  2. Step 2: Convert to fraction form
    19,471.04/26,872.15 = 11,922.46/x
  3. Step 3: Cross multiply
    19,471.04x = 26,872.15 × 11,922.46
  4. Step 4: Simplify right side
    19,471.04x = 320,382,133.49
  5. Step 5: Solve for x
    x = 320,382,133.49/19,471.04
  6. Step 6: Final answer
    x = 16,454.29

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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.