Home / 13,468.43-18,583.34-7,723.23

Finding the Fourth Proportional to 13,468.43, 18,583.34 and 7,723.23

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Solution

The fourth proportional to 13,468.43, 18,583.34 and 7,723.23 is: 10,656.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,468.43 : 18,583.34 = 7,723.23 : x
  2. Step 2: Convert to fraction form
    13,468.43/18,583.34 = 7,723.23/x
  3. Step 3: Cross multiply
    13,468.43x = 18,583.34 × 7,723.23
  4. Step 4: Simplify right side
    13,468.43x = 143,523,408.99
  5. Step 5: Solve for x
    x = 143,523,408.99/13,468.43
  6. Step 6: Final answer
    x = 10,656.28

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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.