Home / 14,040.24-19,373.44-8,072.16

Finding the Fourth Proportional to 14,040.24, 19,373.44 and 8,072.16

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Solution

The fourth proportional to 14,040.24, 19,373.44 and 8,072.16 is: 11,138.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,040.24 : 19,373.44 = 8,072.16 : x
  2. Step 2: Convert to fraction form
    14,040.24/19,373.44 = 8,072.16/x
  3. Step 3: Cross multiply
    14,040.24x = 19,373.44 × 8,072.16
  4. Step 4: Simplify right side
    14,040.24x = 156,385,507.43
  5. Step 5: Solve for x
    x = 156,385,507.43/14,040.24
  6. Step 6: Final answer
    x = 11,138.38

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Half scale
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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.