Home / 13,264.53-18,301.32-8,551.56

Finding the Fourth Proportional to 13,264.53, 18,301.32 and 8,551.56

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Solution

The fourth proportional to 13,264.53, 18,301.32 and 8,551.56 is: 11,798.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,264.53 : 18,301.32 = 8,551.56 : x
  2. Step 2: Convert to fraction form
    13,264.53/18,301.32 = 8,551.56/x
  3. Step 3: Cross multiply
    13,264.53x = 18,301.32 × 8,551.56
  4. Step 4: Simplify right side
    13,264.53x = 156,504,836.06
  5. Step 5: Solve for x
    x = 156,504,836.06/13,264.53
  6. Step 6: Final answer
    x = 11,798.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.