Home / 14,481.22-19,987.48-9,436.72

Finding the Fourth Proportional to 14,481.22, 19,987.48 and 9,436.72

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Solution

The fourth proportional to 14,481.22, 19,987.48 and 9,436.72 is: 13,024.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,481.22 : 19,987.48 = 9,436.72 : x
  2. Step 2: Convert to fraction form
    14,481.22/19,987.48 = 9,436.72/x
  3. Step 3: Cross multiply
    14,481.22x = 19,987.48 × 9,436.72
  4. Step 4: Simplify right side
    14,481.22x = 188,616,252.27
  5. Step 5: Solve for x
    x = 188,616,252.27/14,481.22
  6. Step 6: Final answer
    x = 13,024.89

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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.