Home / 13,132.40-19,682.18-6,560.42

Finding the Fourth Proportional to 13,132.40, 19,682.18 and 6,560.42

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Solution

The fourth proportional to 13,132.40, 19,682.18 and 6,560.42 is: 9,832.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,132.40 : 19,682.18 = 6,560.42 : x
  2. Step 2: Convert to fraction form
    13,132.40/19,682.18 = 6,560.42/x
  3. Step 3: Cross multiply
    13,132.40x = 19,682.18 × 6,560.42
  4. Step 4: Simplify right side
    13,132.40x = 129,123,334.51
  5. Step 5: Solve for x
    x = 129,123,334.51/13,132.40
  6. Step 6: Final answer
    x = 9,832.42

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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.