Home / 15,971.83-22,039.72-9,255.31

Finding the Fourth Proportional to 15,971.83, 22,039.72 and 9,255.31

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Solution

The fourth proportional to 15,971.83, 22,039.72 and 9,255.31 is: 12,771.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,971.83 : 22,039.72 = 9,255.31 : x
  2. Step 2: Convert to fraction form
    15,971.83/22,039.72 = 9,255.31/x
  3. Step 3: Cross multiply
    15,971.83x = 22,039.72 × 9,255.31
  4. Step 4: Simplify right side
    15,971.83x = 203,984,512.68
  5. Step 5: Solve for x
    x = 203,984,512.68/15,971.83
  6. Step 6: Final answer
    x = 12,771.52

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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.