Home / 13,110.20-19,546.04-11,632.76

Finding the Fourth Proportional to 13,110.20, 19,546.04 and 11,632.76

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Solution

The fourth proportional to 13,110.20, 19,546.04 and 11,632.76 is: 17,343.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,110.20 : 19,546.04 = 11,632.76 : x
  2. Step 2: Convert to fraction form
    13,110.20/19,546.04 = 11,632.76/x
  3. Step 3: Cross multiply
    13,110.20x = 19,546.04 × 11,632.76
  4. Step 4: Simplify right side
    13,110.20x = 227,374,392.27
  5. Step 5: Solve for x
    x = 227,374,392.27/13,110.20
  6. Step 6: Final answer
    x = 17,343.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.