Home / 13,166.56-19,755.36-5,767.20

Finding the Fourth Proportional to 13,166.56, 19,755.36 and 5,767.20

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Solution

The fourth proportional to 13,166.56, 19,755.36 and 5,767.20 is: 8,653.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,166.56 : 19,755.36 = 5,767.20 : x
  2. Step 2: Convert to fraction form
    13,166.56/19,755.36 = 5,767.20/x
  3. Step 3: Cross multiply
    13,166.56x = 19,755.36 × 5,767.20
  4. Step 4: Simplify right side
    13,166.56x = 113,933,112.19
  5. Step 5: Solve for x
    x = 113,933,112.19/13,166.56
  6. Step 6: Final answer
    x = 8,653.22

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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.