Home / 13,924.48-19,215.44-7,550.72

Finding the Fourth Proportional to 13,924.48, 19,215.44 and 7,550.72

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Solution

The fourth proportional to 13,924.48, 19,215.44 and 7,550.72 is: 10,419.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,924.48 : 19,215.44 = 7,550.72 : x
  2. Step 2: Convert to fraction form
    13,924.48/19,215.44 = 7,550.72/x
  3. Step 3: Cross multiply
    13,924.48x = 19,215.44 × 7,550.72
  4. Step 4: Simplify right side
    13,924.48x = 145,090,407.12
  5. Step 5: Solve for x
    x = 145,090,407.12/13,924.48
  6. Step 6: Final answer
    x = 10,419.81

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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.