Home / 15,874.06-21,932.58-12,542.44

Finding the Fourth Proportional to 15,874.06, 21,932.58 and 12,542.44

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Solution

The fourth proportional to 15,874.06, 21,932.58 and 12,542.44 is: 17,329.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,874.06 : 21,932.58 = 12,542.44 : x
  2. Step 2: Convert to fraction form
    15,874.06/21,932.58 = 12,542.44/x
  3. Step 3: Cross multiply
    15,874.06x = 21,932.58 × 12,542.44
  4. Step 4: Simplify right side
    15,874.06x = 275,088,068.70
  5. Step 5: Solve for x
    x = 275,088,068.70/15,874.06
  6. Step 6: Final answer
    x = 17,329.41

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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.