Home / 14,468.12-19,977.34-11,105.61

Finding the Fourth Proportional to 14,468.12, 19,977.34 and 11,105.61

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Solution

The fourth proportional to 14,468.12, 19,977.34 and 11,105.61 is: 15,334.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,468.12 : 19,977.34 = 11,105.61 : x
  2. Step 2: Convert to fraction form
    14,468.12/19,977.34 = 11,105.61/x
  3. Step 3: Cross multiply
    14,468.12x = 19,977.34 × 11,105.61
  4. Step 4: Simplify right side
    14,468.12x = 221,860,519.11
  5. Step 5: Solve for x
    x = 221,860,519.11/14,468.12
  6. Step 6: Final answer
    x = 15,334.44

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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.