Home / 19,760.56-29,652.48-7,289.36

Finding the Fourth Proportional to 19,760.56, 29,652.48 and 7,289.36

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Solution

The fourth proportional to 19,760.56, 29,652.48 and 7,289.36 is: 10,938.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,760.56 : 29,652.48 = 7,289.36 : x
  2. Step 2: Convert to fraction form
    19,760.56/29,652.48 = 7,289.36/x
  3. Step 3: Cross multiply
    19,760.56x = 29,652.48 × 7,289.36
  4. Step 4: Simplify right side
    19,760.56x = 216,147,601.61
  5. Step 5: Solve for x
    x = 216,147,601.61/19,760.56
  6. Step 6: Final answer
    x = 10,938.33

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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.