Home / 22,376.24-30,878.56-12,304.68

Finding the Fourth Proportional to 22,376.24, 30,878.56 and 12,304.68

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Solution

The fourth proportional to 22,376.24, 30,878.56 and 12,304.68 is: 16,980.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,376.24 : 30,878.56 = 12,304.68 : x
  2. Step 2: Convert to fraction form
    22,376.24/30,878.56 = 12,304.68/x
  3. Step 3: Cross multiply
    22,376.24x = 30,878.56 × 12,304.68
  4. Step 4: Simplify right side
    22,376.24x = 379,950,799.66
  5. Step 5: Solve for x
    x = 379,950,799.66/22,376.24
  6. Step 6: Final answer
    x = 16,980.10

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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.