Home / 13,886.32-19,169.45-8,857.44

Finding the Fourth Proportional to 13,886.32, 19,169.45 and 8,857.44

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Solution

The fourth proportional to 13,886.32, 19,169.45 and 8,857.44 is: 12,227.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,886.32 : 19,169.45 = 8,857.44 : x
  2. Step 2: Convert to fraction form
    13,886.32/19,169.45 = 8,857.44/x
  3. Step 3: Cross multiply
    13,886.32x = 19,169.45 × 8,857.44
  4. Step 4: Simplify right side
    13,886.32x = 169,792,253.21
  5. Step 5: Solve for x
    x = 169,792,253.21/13,886.32
  6. Step 6: Final answer
    x = 12,227.30

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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.