Home / 14,181.05-19,569.53-8,878.79

Finding the Fourth Proportional to 14,181.05, 19,569.53 and 8,878.79

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Solution

The fourth proportional to 14,181.05, 19,569.53 and 8,878.79 is: 12,252.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,181.05 : 19,569.53 = 8,878.79 : x
  2. Step 2: Convert to fraction form
    14,181.05/19,569.53 = 8,878.79/x
  3. Step 3: Cross multiply
    14,181.05x = 19,569.53 × 8,878.79
  4. Step 4: Simplify right side
    14,181.05x = 173,753,702.87
  5. Step 5: Solve for x
    x = 173,753,702.87/14,181.05
  6. Step 6: Final answer
    x = 12,252.53

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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.