Home / 19,331.99-29,008.75-10,447.14

Finding the Fourth Proportional to 19,331.99, 29,008.75 and 10,447.14

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Solution

The fourth proportional to 19,331.99, 29,008.75 and 10,447.14 is: 15,676.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,331.99 : 29,008.75 = 10,447.14 : x
  2. Step 2: Convert to fraction form
    19,331.99/29,008.75 = 10,447.14/x
  3. Step 3: Cross multiply
    19,331.99x = 29,008.75 × 10,447.14
  4. Step 4: Simplify right side
    19,331.99x = 303,058,472.48
  5. Step 5: Solve for x
    x = 303,058,472.48/19,331.99
  6. Step 6: Final answer
    x = 15,676.53

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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.