Home / 13,066.12-19,586.62-8,372.98

Finding the Fourth Proportional to 13,066.12, 19,586.62 and 8,372.98

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Solution

The fourth proportional to 13,066.12, 19,586.62 and 8,372.98 is: 12,551.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,066.12 : 19,586.62 = 8,372.98 : x
  2. Step 2: Convert to fraction form
    13,066.12/19,586.62 = 8,372.98/x
  3. Step 3: Cross multiply
    13,066.12x = 19,586.62 × 8,372.98
  4. Step 4: Simplify right side
    13,066.12x = 163,998,377.53
  5. Step 5: Solve for x
    x = 163,998,377.53/13,066.12
  6. Step 6: Final answer
    x = 12,551.42

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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.