Home / 22,424.88-33,637.30-12,435.74

Finding the Fourth Proportional to 22,424.88, 33,637.30 and 12,435.74

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Solution

The fourth proportional to 22,424.88, 33,637.30 and 12,435.74 is: 18,653.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,424.88 : 33,637.30 = 12,435.74 : x
  2. Step 2: Convert to fraction form
    22,424.88/33,637.30 = 12,435.74/x
  3. Step 3: Cross multiply
    22,424.88x = 33,637.30 × 12,435.74
  4. Step 4: Simplify right side
    22,424.88x = 418,304,717.10
  5. Step 5: Solve for x
    x = 418,304,717.10/22,424.88
  6. Step 6: Final answer
    x = 18,653.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.