Home / 19,775.44-29,667.92-8,088.69

Finding the Fourth Proportional to 19,775.44, 29,667.92 and 8,088.69

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Solution

The fourth proportional to 19,775.44, 29,667.92 and 8,088.69 is: 12,134.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,775.44 : 29,667.92 = 8,088.69 : x
  2. Step 2: Convert to fraction form
    19,775.44/29,667.92 = 8,088.69/x
  3. Step 3: Cross multiply
    19,775.44x = 29,667.92 × 8,088.69
  4. Step 4: Simplify right side
    19,775.44x = 239,974,724.13
  5. Step 5: Solve for x
    x = 239,974,724.13/19,775.44
  6. Step 6: Final answer
    x = 12,134.99

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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.