Home / 13,451.13-18,562.77-7,483.05

Finding the Fourth Proportional to 13,451.13, 18,562.77 and 7,483.05

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Solution

The fourth proportional to 13,451.13, 18,562.77 and 7,483.05 is: 10,326.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,451.13 : 18,562.77 = 7,483.05 : x
  2. Step 2: Convert to fraction form
    13,451.13/18,562.77 = 7,483.05/x
  3. Step 3: Cross multiply
    13,451.13x = 18,562.77 × 7,483.05
  4. Step 4: Simplify right side
    13,451.13x = 138,906,136.05
  5. Step 5: Solve for x
    x = 138,906,136.05/13,451.13
  6. Step 6: Final answer
    x = 10,326.73

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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.