Home / 19,895.40-29,832.26-7,414.92

Finding the Fourth Proportional to 19,895.40, 29,832.26 and 7,414.92

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Solution

The fourth proportional to 19,895.40, 29,832.26 and 7,414.92 is: 11,118.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,895.40 : 29,832.26 = 7,414.92 : x
  2. Step 2: Convert to fraction form
    19,895.40/29,832.26 = 7,414.92/x
  3. Step 3: Cross multiply
    19,895.40x = 29,832.26 × 7,414.92
  4. Step 4: Simplify right side
    19,895.40x = 221,203,821.32
  5. Step 5: Solve for x
    x = 221,203,821.32/19,895.40
  6. Step 6: Final answer
    x = 11,118.34

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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.