Home / 19,279.77-26,621.15-14,796.42

Finding the Fourth Proportional to 19,279.77, 26,621.15 and 14,796.42

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Solution

The fourth proportional to 19,279.77, 26,621.15 and 14,796.42 is: 20,430.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,279.77 : 26,621.15 = 14,796.42 : x
  2. Step 2: Convert to fraction form
    19,279.77/26,621.15 = 14,796.42/x
  3. Step 3: Cross multiply
    19,279.77x = 26,621.15 × 14,796.42
  4. Step 4: Simplify right side
    19,279.77x = 393,897,716.28
  5. Step 5: Solve for x
    x = 393,897,716.28/19,279.77
  6. Step 6: Final answer
    x = 20,430.62

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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.