Home / 13,464.11-18,581.55-7,496.33

Finding the Fourth Proportional to 13,464.11, 18,581.55 and 7,496.33

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Solution

The fourth proportional to 13,464.11, 18,581.55 and 7,496.33 is: 10,345.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,464.11 : 18,581.55 = 7,496.33 : x
  2. Step 2: Convert to fraction form
    13,464.11/18,581.55 = 7,496.33/x
  3. Step 3: Cross multiply
    13,464.11x = 18,581.55 × 7,496.33
  4. Step 4: Simplify right side
    13,464.11x = 139,293,337.80
  5. Step 5: Solve for x
    x = 139,293,337.80/13,464.11
  6. Step 6: Final answer
    x = 10,345.53

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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.