Home / 23,181.48-31,990.26-12,571.09

Finding the Fourth Proportional to 23,181.48, 31,990.26 and 12,571.09

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Solution

The fourth proportional to 23,181.48, 31,990.26 and 12,571.09 is: 17,348.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,181.48 : 31,990.26 = 12,571.09 : x
  2. Step 2: Convert to fraction form
    23,181.48/31,990.26 = 12,571.09/x
  3. Step 3: Cross multiply
    23,181.48x = 31,990.26 × 12,571.09
  4. Step 4: Simplify right side
    23,181.48x = 402,152,437.58
  5. Step 5: Solve for x
    x = 402,152,437.58/23,181.48
  6. Step 6: Final answer
    x = 17,348.01

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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.