Home / 19,774.48-29,617.98-13,519.66

Finding the Fourth Proportional to 19,774.48, 29,617.98 and 13,519.66

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Solution

The fourth proportional to 19,774.48, 29,617.98 and 13,519.66 is: 20,249.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,774.48 : 29,617.98 = 13,519.66 : x
  2. Step 2: Convert to fraction form
    19,774.48/29,617.98 = 13,519.66/x
  3. Step 3: Cross multiply
    19,774.48x = 29,617.98 × 13,519.66
  4. Step 4: Simplify right side
    19,774.48x = 400,425,019.49
  5. Step 5: Solve for x
    x = 400,425,019.49/19,774.48
  6. Step 6: Final answer
    x = 20,249.59

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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.