Home / 19,803.10-29,716.19-7,331.73

Finding the Fourth Proportional to 19,803.10, 29,716.19 and 7,331.73

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Solution

The fourth proportional to 19,803.10, 29,716.19 and 7,331.73 is: 11,001.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,803.10 : 29,716.19 = 7,331.73 : x
  2. Step 2: Convert to fraction form
    19,803.10/29,716.19 = 7,331.73/x
  3. Step 3: Cross multiply
    19,803.10x = 29,716.19 × 7,331.73
  4. Step 4: Simplify right side
    19,803.10x = 217,871,081.71
  5. Step 5: Solve for x
    x = 217,871,081.71/19,803.10
  6. Step 6: Final answer
    x = 11,001.87

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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.