Home / 22,630.43-31,251.01-14,578.09

Finding the Fourth Proportional to 22,630.43, 31,251.01 and 14,578.09

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Solution

The fourth proportional to 22,630.43, 31,251.01 and 14,578.09 is: 20,131.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,630.43 : 31,251.01 = 14,578.09 : x
  2. Step 2: Convert to fraction form
    22,630.43/31,251.01 = 14,578.09/x
  3. Step 3: Cross multiply
    22,630.43x = 31,251.01 × 14,578.09
  4. Step 4: Simplify right side
    22,630.43x = 455,580,036.37
  5. Step 5: Solve for x
    x = 455,580,036.37/22,630.43
  6. Step 6: Final answer
    x = 20,131.30

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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.