Home / 14,010.99-21,015.74-5,245.25

Finding the Fourth Proportional to 14,010.99, 21,015.74 and 5,245.25

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Solution

The fourth proportional to 14,010.99, 21,015.74 and 5,245.25 is: 7,867.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,010.99 : 21,015.74 = 5,245.25 : x
  2. Step 2: Convert to fraction form
    14,010.99/21,015.74 = 5,245.25/x
  3. Step 3: Cross multiply
    14,010.99x = 21,015.74 × 5,245.25
  4. Step 4: Simplify right side
    14,010.99x = 110,232,678.93
  5. Step 5: Solve for x
    x = 110,232,678.93/14,010.99
  6. Step 6: Final answer
    x = 7,867.59

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.