Home / 13,346.76-18,418.32-8,044.50

Finding the Fourth Proportional to 13,346.76, 18,418.32 and 8,044.50

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Solution

The fourth proportional to 13,346.76, 18,418.32 and 8,044.50 is: 11,101.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,346.76 : 18,418.32 = 8,044.50 : x
  2. Step 2: Convert to fraction form
    13,346.76/18,418.32 = 8,044.50/x
  3. Step 3: Cross multiply
    13,346.76x = 18,418.32 × 8,044.50
  4. Step 4: Simplify right side
    13,346.76x = 148,166,175.24
  5. Step 5: Solve for x
    x = 148,166,175.24/13,346.76
  6. Step 6: Final answer
    x = 11,101.28

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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.