Home / 22,481.23-31,018.65-14,411.20

Finding the Fourth Proportional to 22,481.23, 31,018.65 and 14,411.20

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Solution

The fourth proportional to 22,481.23, 31,018.65 and 14,411.20 is: 19,883.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,481.23 : 31,018.65 = 14,411.20 : x
  2. Step 2: Convert to fraction form
    22,481.23/31,018.65 = 14,411.20/x
  3. Step 3: Cross multiply
    22,481.23x = 31,018.65 × 14,411.20
  4. Step 4: Simplify right side
    22,481.23x = 447,015,968.88
  5. Step 5: Solve for x
    x = 447,015,968.88/22,481.23
  6. Step 6: Final answer
    x = 19,883.96

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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.