Home / 22,900.26-31,590.75-14,279.36

Finding the Fourth Proportional to 22,900.26, 31,590.75 and 14,279.36

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Solution

The fourth proportional to 22,900.26, 31,590.75 and 14,279.36 is: 19,698.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,900.26 : 31,590.75 = 14,279.36 : x
  2. Step 2: Convert to fraction form
    22,900.26/31,590.75 = 14,279.36/x
  3. Step 3: Cross multiply
    22,900.26x = 31,590.75 × 14,279.36
  4. Step 4: Simplify right side
    22,900.26x = 451,095,620.52
  5. Step 5: Solve for x
    x = 451,095,620.52/22,900.26
  6. Step 6: Final answer
    x = 19,698.28

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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.