Home / 22,058.98-30,440.91-11,987.32

Finding the Fourth Proportional to 22,058.98, 30,440.91 and 11,987.32

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Solution

The fourth proportional to 22,058.98, 30,440.91 and 11,987.32 is: 16,542.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,058.98 : 30,440.91 = 11,987.32 : x
  2. Step 2: Convert to fraction form
    22,058.98/30,440.91 = 11,987.32/x
  3. Step 3: Cross multiply
    22,058.98x = 30,440.91 × 11,987.32
  4. Step 4: Simplify right side
    22,058.98x = 364,904,929.26
  5. Step 5: Solve for x
    x = 364,904,929.26/22,058.98
  6. Step 6: Final answer
    x = 16,542.24

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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.