Home / 20,395.13-28,092.84-14,416.52

Finding the Fourth Proportional to 20,395.13, 28,092.84 and 14,416.52

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Solution

The fourth proportional to 20,395.13, 28,092.84 and 14,416.52 is: 19,857.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,395.13 : 28,092.84 = 14,416.52 : x
  2. Step 2: Convert to fraction form
    20,395.13/28,092.84 = 14,416.52/x
  3. Step 3: Cross multiply
    20,395.13x = 28,092.84 × 14,416.52
  4. Step 4: Simplify right side
    20,395.13x = 405,000,989.72
  5. Step 5: Solve for x
    x = 405,000,989.72/20,395.13
  6. Step 6: Final answer
    x = 19,857.73

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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.