Home / 14,120.76-19,484.10-8,152.68

Finding the Fourth Proportional to 14,120.76, 19,484.10 and 8,152.68

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Solution

The fourth proportional to 14,120.76, 19,484.10 and 8,152.68 is: 11,249.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,120.76 : 19,484.10 = 8,152.68 : x
  2. Step 2: Convert to fraction form
    14,120.76/19,484.10 = 8,152.68/x
  3. Step 3: Cross multiply
    14,120.76x = 19,484.10 × 8,152.68
  4. Step 4: Simplify right side
    14,120.76x = 158,847,632.39
  5. Step 5: Solve for x
    x = 158,847,632.39/14,120.76
  6. Step 6: Final answer
    x = 11,249.23

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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.