Home / 13,168.20-19,754.76-4,403.16

Finding the Fourth Proportional to 13,168.20, 19,754.76 and 4,403.16

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Solution

The fourth proportional to 13,168.20, 19,754.76 and 4,403.16 is: 6,605.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,168.20 : 19,754.76 = 4,403.16 : x
  2. Step 2: Convert to fraction form
    13,168.20/19,754.76 = 4,403.16/x
  3. Step 3: Cross multiply
    13,168.20x = 19,754.76 × 4,403.16
  4. Step 4: Simplify right side
    13,168.20x = 86,983,369.04
  5. Step 5: Solve for x
    x = 86,983,369.04/13,168.20
  6. Step 6: Final answer
    x = 6,605.56

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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.