Home / 15,945.96-22,005.09-9,232.79

Finding the Fourth Proportional to 15,945.96, 22,005.09 and 9,232.79

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Solution

The fourth proportional to 15,945.96, 22,005.09 and 9,232.79 is: 12,741.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,945.96 : 22,005.09 = 9,232.79 : x
  2. Step 2: Convert to fraction form
    15,945.96/22,005.09 = 9,232.79/x
  3. Step 3: Cross multiply
    15,945.96x = 22,005.09 × 9,232.79
  4. Step 4: Simplify right side
    15,945.96x = 203,168,290.84
  5. Step 5: Solve for x
    x = 203,168,290.84/15,945.96
  6. Step 6: Final answer
    x = 12,741.05

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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.