Home / 19,641.11-29,458.44-5,406.26

Finding the Fourth Proportional to 19,641.11, 29,458.44 and 5,406.26

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Solution

The fourth proportional to 19,641.11, 29,458.44 and 5,406.26 is: 8,108.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,641.11 : 29,458.44 = 5,406.26 : x
  2. Step 2: Convert to fraction form
    19,641.11/29,458.44 = 5,406.26/x
  3. Step 3: Cross multiply
    19,641.11x = 29,458.44 × 5,406.26
  4. Step 4: Simplify right side
    19,641.11x = 159,259,838.54
  5. Step 5: Solve for x
    x = 159,259,838.54/19,641.11
  6. Step 6: Final answer
    x = 8,108.50

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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.