Home / 23,136.09-31,927.83-12,525.75

Finding the Fourth Proportional to 23,136.09, 31,927.83 and 12,525.75

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Solution

The fourth proportional to 23,136.09, 31,927.83 and 12,525.75 is: 17,285.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,136.09 : 31,927.83 = 12,525.75 : x
  2. Step 2: Convert to fraction form
    23,136.09/31,927.83 = 12,525.75/x
  3. Step 3: Cross multiply
    23,136.09x = 31,927.83 × 12,525.75
  4. Step 4: Simplify right side
    23,136.09x = 399,920,016.62
  5. Step 5: Solve for x
    x = 399,920,016.62/23,136.09
  6. Step 6: Final answer
    x = 17,285.55

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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.