Home / 13,626.64-18,799.32-8,589.52

Finding the Fourth Proportional to 13,626.64, 18,799.32 and 8,589.52

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Solution

The fourth proportional to 13,626.64, 18,799.32 and 8,589.52 is: 11,850.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,626.64 : 18,799.32 = 8,589.52 : x
  2. Step 2: Convert to fraction form
    13,626.64/18,799.32 = 8,589.52/x
  3. Step 3: Cross multiply
    13,626.64x = 18,799.32 × 8,589.52
  4. Step 4: Simplify right side
    13,626.64x = 161,477,135.13
  5. Step 5: Solve for x
    x = 161,477,135.13/13,626.64
  6. Step 6: Final answer
    x = 11,850.11

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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.