Home / 14,014.75-19,340.45-7,727.17

Finding the Fourth Proportional to 14,014.75, 19,340.45 and 7,727.17

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Solution

The fourth proportional to 14,014.75, 19,340.45 and 7,727.17 is: 10,663.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,014.75 : 19,340.45 = 7,727.17 : x
  2. Step 2: Convert to fraction form
    14,014.75/19,340.45 = 7,727.17/x
  3. Step 3: Cross multiply
    14,014.75x = 19,340.45 × 7,727.17
  4. Step 4: Simplify right side
    14,014.75x = 149,446,945.03
  5. Step 5: Solve for x
    x = 149,446,945.03/14,014.75
  6. Step 6: Final answer
    x = 10,663.55

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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.