Home / 19,600.08-29,399.05-18,444.31

Finding the Fourth Proportional to 19,600.08, 29,399.05 and 18,444.31

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Solution

The fourth proportional to 19,600.08, 29,399.05 and 18,444.31 is: 27,665.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,600.08 : 29,399.05 = 18,444.31 : x
  2. Step 2: Convert to fraction form
    19,600.08/29,399.05 = 18,444.31/x
  3. Step 3: Cross multiply
    19,600.08x = 29,399.05 × 18,444.31
  4. Step 4: Simplify right side
    19,600.08x = 542,245,141.46
  5. Step 5: Solve for x
    x = 542,245,141.46/19,600.08
  6. Step 6: Final answer
    x = 27,665.46

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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.