Home / 14,022.96-19,351.32-7,735.20

Finding the Fourth Proportional to 14,022.96, 19,351.32 and 7,735.20

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Solution

The fourth proportional to 14,022.96, 19,351.32 and 7,735.20 is: 10,674.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,022.96 : 19,351.32 = 7,735.20 : x
  2. Step 2: Convert to fraction form
    14,022.96/19,351.32 = 7,735.20/x
  3. Step 3: Cross multiply
    14,022.96x = 19,351.32 × 7,735.20
  4. Step 4: Simplify right side
    14,022.96x = 149,686,330.46
  5. Step 5: Solve for x
    x = 149,686,330.46/14,022.96
  6. Step 6: Final answer
    x = 10,674.37

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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.