Home / 13,078.24-18,053.20-8,044.50

Finding the Fourth Proportional to 13,078.24, 18,053.20 and 8,044.50

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Solution

The fourth proportional to 13,078.24, 18,053.20 and 8,044.50 is: 11,104.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,078.24 : 18,053.20 = 8,044.50 : x
  2. Step 2: Convert to fraction form
    13,078.24/18,053.20 = 8,044.50/x
  3. Step 3: Cross multiply
    13,078.24x = 18,053.20 × 8,044.50
  4. Step 4: Simplify right side
    13,078.24x = 145,228,967.40
  5. Step 5: Solve for x
    x = 145,228,967.40/13,078.24
  6. Step 6: Final answer
    x = 11,104.63

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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.