Home / 15,952.80-22,016.60-9,238.32

Finding the Fourth Proportional to 15,952.80, 22,016.60 and 9,238.32

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Solution

The fourth proportional to 15,952.80, 22,016.60 and 9,238.32 is: 12,749.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,952.80 : 22,016.60 = 9,238.32 : x
  2. Step 2: Convert to fraction form
    15,952.80/22,016.60 = 9,238.32/x
  3. Step 3: Cross multiply
    15,952.80x = 22,016.60 × 9,238.32
  4. Step 4: Simplify right side
    15,952.80x = 203,396,396.11
  5. Step 5: Solve for x
    x = 203,396,396.11/15,952.80
  6. Step 6: Final answer
    x = 12,749.89

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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.