Home / 13,110.89-19,649.91-10,326.56

Finding the Fourth Proportional to 13,110.89, 19,649.91 and 10,326.56

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Solution

The fourth proportional to 13,110.89, 19,649.91 and 10,326.56 is: 15,476.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,110.89 : 19,649.91 = 10,326.56 : x
  2. Step 2: Convert to fraction form
    13,110.89/19,649.91 = 10,326.56/x
  3. Step 3: Cross multiply
    13,110.89x = 19,649.91 × 10,326.56
  4. Step 4: Simplify right side
    13,110.89x = 202,916,023.73
  5. Step 5: Solve for x
    x = 202,916,023.73/13,110.89
  6. Step 6: Final answer
    x = 15,476.91

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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.