Home / 27,121.54-40,697.70-14,641.42

Finding the Fourth Proportional to 27,121.54, 40,697.70 and 14,641.42

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Solution

The fourth proportional to 27,121.54, 40,697.70 and 14,641.42 is: 21,970.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,121.54 : 40,697.70 = 14,641.42 : x
  2. Step 2: Convert to fraction form
    27,121.54/40,697.70 = 14,641.42/x
  3. Step 3: Cross multiply
    27,121.54x = 40,697.70 × 14,641.42
  4. Step 4: Simplify right side
    27,121.54x = 595,872,118.73
  5. Step 5: Solve for x
    x = 595,872,118.73/27,121.54
  6. Step 6: Final answer
    x = 21,970.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.