Home / 19,216.36-26,529.04-13,279.96

Finding the Fourth Proportional to 19,216.36, 26,529.04 and 13,279.96

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Solution

The fourth proportional to 19,216.36, 26,529.04 and 13,279.96 is: 18,333.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,216.36 : 26,529.04 = 13,279.96 : x
  2. Step 2: Convert to fraction form
    19,216.36/26,529.04 = 13,279.96/x
  3. Step 3: Cross multiply
    19,216.36x = 26,529.04 × 13,279.96
  4. Step 4: Simplify right side
    19,216.36x = 352,304,590.04
  5. Step 5: Solve for x
    x = 352,304,590.04/19,216.36
  6. Step 6: Final answer
    x = 18,333.58

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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.