Home / 13,174.92-19,775.90-8,822.76

Finding the Fourth Proportional to 13,174.92, 19,775.90 and 8,822.76

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Solution

The fourth proportional to 13,174.92, 19,775.90 and 8,822.76 is: 13,243.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,174.92 : 19,775.90 = 8,822.76 : x
  2. Step 2: Convert to fraction form
    13,174.92/19,775.90 = 8,822.76/x
  3. Step 3: Cross multiply
    13,174.92x = 19,775.90 × 8,822.76
  4. Step 4: Simplify right side
    13,174.92x = 174,478,019.48
  5. Step 5: Solve for x
    x = 174,478,019.48/13,174.92
  6. Step 6: Final answer
    x = 13,243.19

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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.