Home / 13,174.08-19,761.12-5,381.52

Finding the Fourth Proportional to 13,174.08, 19,761.12 and 5,381.52

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Solution

The fourth proportional to 13,174.08, 19,761.12 and 5,381.52 is: 8,072.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,174.08 : 19,761.12 = 5,381.52 : x
  2. Step 2: Convert to fraction form
    13,174.08/19,761.12 = 5,381.52/x
  3. Step 3: Cross multiply
    13,174.08x = 19,761.12 × 5,381.52
  4. Step 4: Simplify right side
    13,174.08x = 106,344,862.50
  5. Step 5: Solve for x
    x = 106,344,862.50/13,174.08
  6. Step 6: Final answer
    x = 8,072.28

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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.