Home / 14,328.38-19,774.04-8,040.75

Finding the Fourth Proportional to 14,328.38, 19,774.04 and 8,040.75

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Solution

The fourth proportional to 14,328.38, 19,774.04 and 8,040.75 is: 11,096.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,328.38 : 19,774.04 = 8,040.75 : x
  2. Step 2: Convert to fraction form
    14,328.38/19,774.04 = 8,040.75/x
  3. Step 3: Cross multiply
    14,328.38x = 19,774.04 × 8,040.75
  4. Step 4: Simplify right side
    14,328.38x = 158,998,071.93
  5. Step 5: Solve for x
    x = 158,998,071.93/14,328.38
  6. Step 6: Final answer
    x = 11,096.73

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Half 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.