Home / 13,174.11-19,761.08-6,600.20

Finding the Fourth Proportional to 13,174.11, 19,761.08 and 6,600.20

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Solution

The fourth proportional to 13,174.11, 19,761.08 and 6,600.20 is: 9,900.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,174.11 : 19,761.08 = 6,600.20 : x
  2. Step 2: Convert to fraction form
    13,174.11/19,761.08 = 6,600.20/x
  3. Step 3: Cross multiply
    13,174.11x = 19,761.08 × 6,600.20
  4. Step 4: Simplify right side
    13,174.11x = 130,426,948.41
  5. Step 5: Solve for x
    x = 130,426,948.41/13,174.11
  6. Step 6: Final answer
    x = 9,900.25

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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.