Home / 22,809.26-31,498.43-21,566.77

Finding the Fourth Proportional to 22,809.26, 31,498.43 and 21,566.77

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Solution

The fourth proportional to 22,809.26, 31,498.43 and 21,566.77 is: 29,782.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,809.26 : 31,498.43 = 21,566.77 : x
  2. Step 2: Convert to fraction form
    22,809.26/31,498.43 = 21,566.77/x
  3. Step 3: Cross multiply
    22,809.26x = 31,498.43 × 21,566.77
  4. Step 4: Simplify right side
    22,809.26x = 679,319,395.17
  5. Step 5: Solve for x
    x = 679,319,395.17/22,809.26
  6. Step 6: Final answer
    x = 29,782.61

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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.