Home / 13,924.13-19,215.39-7,550.75

Finding the Fourth Proportional to 13,924.13, 19,215.39 and 7,550.75

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Solution

The fourth proportional to 13,924.13, 19,215.39 and 7,550.75 is: 10,420.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,924.13 : 19,215.39 = 7,550.75 : x
  2. Step 2: Convert to fraction form
    13,924.13/19,215.39 = 7,550.75/x
  3. Step 3: Cross multiply
    13,924.13x = 19,215.39 × 7,550.75
  4. Step 4: Simplify right side
    13,924.13x = 145,090,682.40
  5. Step 5: Solve for x
    x = 145,090,682.40/13,924.13
  6. Step 6: Final answer
    x = 10,420.09

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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.