Home / 13,044.67-18,003.27-8,572.12

Finding the Fourth Proportional to 13,044.67, 18,003.27 and 8,572.12

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Solution

The fourth proportional to 13,044.67, 18,003.27 and 8,572.12 is: 11,830.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,044.67 : 18,003.27 = 8,572.12 : x
  2. Step 2: Convert to fraction form
    13,044.67/18,003.27 = 8,572.12/x
  3. Step 3: Cross multiply
    13,044.67x = 18,003.27 × 8,572.12
  4. Step 4: Simplify right side
    13,044.67x = 154,326,190.83
  5. Step 5: Solve for x
    x = 154,326,190.83/13,044.67
  6. Step 6: Final answer
    x = 11,830.59

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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.