Home / 17,877.75-24,670.62-9,919.41

Finding the Fourth Proportional to 17,877.75, 24,670.62 and 9,919.41

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Solution

The fourth proportional to 17,877.75, 24,670.62 and 9,919.41 is: 13,688.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,877.75 : 24,670.62 = 9,919.41 : x
  2. Step 2: Convert to fraction form
    17,877.75/24,670.62 = 9,919.41/x
  3. Step 3: Cross multiply
    17,877.75x = 24,670.62 × 9,919.41
  4. Step 4: Simplify right side
    17,877.75x = 244,717,994.73
  5. Step 5: Solve for x
    x = 244,717,994.73/17,877.75
  6. Step 6: Final answer
    x = 13,688.41

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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.