Home / 13,330.62-19,998.72-5,010.48

Finding the Fourth Proportional to 13,330.62, 19,998.72 and 5,010.48

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Solution

The fourth proportional to 13,330.62, 19,998.72 and 5,010.48 is: 7,516.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,330.62 : 19,998.72 = 5,010.48 : x
  2. Step 2: Convert to fraction form
    13,330.62/19,998.72 = 5,010.48/x
  3. Step 3: Cross multiply
    13,330.62x = 19,998.72 × 5,010.48
  4. Step 4: Simplify right side
    13,330.62x = 100,203,186.59
  5. Step 5: Solve for x
    x = 100,203,186.59/13,330.62
  6. Step 6: Final answer
    x = 7,516.77

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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.