Home / 14,144.04-19,518.78-7,771.04

Finding the Fourth Proportional to 14,144.04, 19,518.78 and 7,771.04

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Solution

The fourth proportional to 14,144.04, 19,518.78 and 7,771.04 is: 10,724.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,144.04 : 19,518.78 = 7,771.04 : x
  2. Step 2: Convert to fraction form
    14,144.04/19,518.78 = 7,771.04/x
  3. Step 3: Cross multiply
    14,144.04x = 19,518.78 × 7,771.04
  4. Step 4: Simplify right side
    14,144.04x = 151,681,181.28
  5. Step 5: Solve for x
    x = 151,681,181.28/14,144.04
  6. Step 6: Final answer
    x = 10,724.04

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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.