Home / 13,747.05-20,623.14-6,346.62

Finding the Fourth Proportional to 13,747.05, 20,623.14 and 6,346.62

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Solution

The fourth proportional to 13,747.05, 20,623.14 and 6,346.62 is: 9,521.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,747.05 : 20,623.14 = 6,346.62 : x
  2. Step 2: Convert to fraction form
    13,747.05/20,623.14 = 6,346.62/x
  3. Step 3: Cross multiply
    13,747.05x = 20,623.14 × 6,346.62
  4. Step 4: Simplify right side
    13,747.05x = 130,887,232.79
  5. Step 5: Solve for x
    x = 130,887,232.79/13,747.05
  6. Step 6: Final answer
    x = 9,521.11

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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.