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Finding the Fourth Proportional to 14,119.62, 19,483.65 and 8,153.19

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Solution

The fourth proportional to 14,119.62, 19,483.65 and 8,153.19 is: 11,250.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,119.62 : 19,483.65 = 8,153.19 : x
  2. Step 2: Convert to fraction form
    14,119.62/19,483.65 = 8,153.19/x
  3. Step 3: Cross multiply
    14,119.62x = 19,483.65 × 8,153.19
  4. Step 4: Simplify right side
    14,119.62x = 158,853,900.34
  5. Step 5: Solve for x
    x = 158,853,900.34/14,119.62
  6. Step 6: Final answer
    x = 11,250.58

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Half scale
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Double scale
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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.