Home / 15,748.22-21,730.74-9,032

Finding the Fourth Proportional to 15,748.22, 21,730.74 and 9,032

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Solution

The fourth proportional to 15,748.22, 21,730.74 and 9,032 is: 12,463.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,748.22 : 21,730.74 = 9,032 : x
  2. Step 2: Convert to fraction form
    15,748.22/21,730.74 = 9,032/x
  3. Step 3: Cross multiply
    15,748.22x = 21,730.74 × 9,032
  4. Step 4: Simplify right side
    15,748.22x = 196,272,043.68
  5. Step 5: Solve for x
    x = 196,272,043.68/15,748.22
  6. Step 6: Final answer
    x = 12,463.13

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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.