Home / 19,331.88-29,008.98-10,447.24

Finding the Fourth Proportional to 19,331.88, 29,008.98 and 10,447.24

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Solution

The fourth proportional to 19,331.88, 29,008.98 and 10,447.24 is: 15,676.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,331.88 : 29,008.98 = 10,447.24 : x
  2. Step 2: Convert to fraction form
    19,331.88/29,008.98 = 10,447.24/x
  3. Step 3: Cross multiply
    19,331.88x = 29,008.98 × 10,447.24
  4. Step 4: Simplify right side
    19,331.88x = 303,063,703.69
  5. Step 5: Solve for x
    x = 303,063,703.69/19,331.88
  6. Step 6: Final answer
    x = 15,676.89

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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.