Home / 13,863.46-19,126.14-8,549.06

Finding the Fourth Proportional to 13,863.46, 19,126.14 and 8,549.06

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Solution

The fourth proportional to 13,863.46, 19,126.14 and 8,549.06 is: 11,794.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,863.46 : 19,126.14 = 8,549.06 : x
  2. Step 2: Convert to fraction form
    13,863.46/19,126.14 = 8,549.06/x
  3. Step 3: Cross multiply
    13,863.46x = 19,126.14 × 8,549.06
  4. Step 4: Simplify right side
    13,863.46x = 163,510,518.43
  5. Step 5: Solve for x
    x = 163,510,518.43/13,863.46
  6. Step 6: Final answer
    x = 11,794.35

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Double scale
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Similar ratio
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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.