Home / 22,001.24-30,361.38-11,929.48

Finding the Fourth Proportional to 22,001.24, 30,361.38 and 11,929.48

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Solution

The fourth proportional to 22,001.24, 30,361.38 and 11,929.48 is: 16,462.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,001.24 : 30,361.38 = 11,929.48 : x
  2. Step 2: Convert to fraction form
    22,001.24/30,361.38 = 11,929.48/x
  3. Step 3: Cross multiply
    22,001.24x = 30,361.38 × 11,929.48
  4. Step 4: Simplify right side
    22,001.24x = 362,195,475.48
  5. Step 5: Solve for x
    x = 362,195,475.48/22,001.24
  6. Step 6: Final answer
    x = 16,462.50

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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.