Home / 22,374.89-30,869.66-13,873.95

Finding the Fourth Proportional to 22,374.89, 30,869.66 and 13,873.95

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Solution

The fourth proportional to 22,374.89, 30,869.66 and 13,873.95 is: 19,141.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,374.89 : 30,869.66 = 13,873.95 : x
  2. Step 2: Convert to fraction form
    22,374.89/30,869.66 = 13,873.95/x
  3. Step 3: Cross multiply
    22,374.89x = 30,869.66 × 13,873.95
  4. Step 4: Simplify right side
    22,374.89x = 428,283,895.64
  5. Step 5: Solve for x
    x = 428,283,895.64/22,374.89
  6. Step 6: Final answer
    x = 19,141.28

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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.