Home / 13,910.76-19,196.88-7,537.44

Finding the Fourth Proportional to 13,910.76, 19,196.88 and 7,537.44

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Solution

The fourth proportional to 13,910.76, 19,196.88 and 7,537.44 is: 10,401.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,910.76 : 19,196.88 = 7,537.44 : x
  2. Step 2: Convert to fraction form
    13,910.76/19,196.88 = 7,537.44/x
  3. Step 3: Cross multiply
    13,910.76x = 19,196.88 × 7,537.44
  4. Step 4: Simplify right side
    13,910.76x = 144,695,331.19
  5. Step 5: Solve for x
    x = 144,695,331.19/13,910.76
  6. Step 6: Final answer
    x = 10,401.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.