Home / 22,518.46-33,612.79-19,858.35

Finding the Fourth Proportional to 22,518.46, 33,612.79 and 19,858.35

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Solution

The fourth proportional to 22,518.46, 33,612.79 and 19,858.35 is: 29,642.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,518.46 : 33,612.79 = 19,858.35 : x
  2. Step 2: Convert to fraction form
    22,518.46/33,612.79 = 19,858.35/x
  3. Step 3: Cross multiply
    22,518.46x = 33,612.79 × 19,858.35
  4. Step 4: Simplify right side
    22,518.46x = 667,494,548.30
  5. Step 5: Solve for x
    x = 667,494,548.30/22,518.46
  6. Step 6: Final answer
    x = 29,642.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.