Home / 13,334.23-18,398.69-8,029.39

Finding the Fourth Proportional to 13,334.23, 18,398.69 and 8,029.39

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Solution

The fourth proportional to 13,334.23, 18,398.69 and 8,029.39 is: 11,079.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,334.23 : 18,398.69 = 8,029.39 : x
  2. Step 2: Convert to fraction form
    13,334.23/18,398.69 = 8,029.39/x
  3. Step 3: Cross multiply
    13,334.23x = 18,398.69 × 8,029.39
  4. Step 4: Simplify right side
    13,334.23x = 147,730,257.50
  5. Step 5: Solve for x
    x = 147,730,257.50/13,334.23
  6. Step 6: Final answer
    x = 11,079.02

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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.