Home / 13,073.22-18,045.81-8,044.19

Finding the Fourth Proportional to 13,073.22, 18,045.81 and 8,044.19

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Solution

The fourth proportional to 13,073.22, 18,045.81 and 8,044.19 is: 11,103.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,073.22 : 18,045.81 = 8,044.19 : x
  2. Step 2: Convert to fraction form
    13,073.22/18,045.81 = 8,044.19/x
  3. Step 3: Cross multiply
    13,073.22x = 18,045.81 × 8,044.19
  4. Step 4: Simplify right side
    13,073.22x = 145,163,793.89
  5. Step 5: Solve for x
    x = 145,163,793.89/13,073.22
  6. Step 6: Final answer
    x = 11,103.91

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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.