Home / 22,909.23-31,611.97-12,835.36

Finding the Fourth Proportional to 22,909.23, 31,611.97 and 12,835.36

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Solution

The fourth proportional to 22,909.23, 31,611.97 and 12,835.36 is: 17,711.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,909.23 : 31,611.97 = 12,835.36 : x
  2. Step 2: Convert to fraction form
    22,909.23/31,611.97 = 12,835.36/x
  3. Step 3: Cross multiply
    22,909.23x = 31,611.97 × 12,835.36
  4. Step 4: Simplify right side
    22,909.23x = 405,751,070.82
  5. Step 5: Solve for x
    x = 405,751,070.82/22,909.23
  6. Step 6: Final answer
    x = 17,711.25

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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.