Home / 18,076.66-24,933-15,554.43

Finding the Fourth Proportional to 18,076.66, 24,933 and 15,554.43

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Solution

The fourth proportional to 18,076.66, 24,933 and 15,554.43 is: 21,454.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,076.66 : 24,933 = 15,554.43 : x
  2. Step 2: Convert to fraction form
    18,076.66/24,933 = 15,554.43/x
  3. Step 3: Cross multiply
    18,076.66x = 24,933 × 15,554.43
  4. Step 4: Simplify right side
    18,076.66x = 387,818,478.53
  5. Step 5: Solve for x
    x = 387,818,478.53/18,076.66
  6. Step 6: Final answer
    x = 21,454.11

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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.