Home / 15,951.91-22,015.73-9,148.60

Finding the Fourth Proportional to 15,951.91, 22,015.73 and 9,148.60

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Solution

The fourth proportional to 15,951.91, 22,015.73 and 9,148.60 is: 12,626.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,951.91 : 22,015.73 = 9,148.60 : x
  2. Step 2: Convert to fraction form
    15,951.91/22,015.73 = 9,148.60/x
  3. Step 3: Cross multiply
    15,951.91x = 22,015.73 × 9,148.60
  4. Step 4: Simplify right side
    15,951.91x = 201,413,107.48
  5. Step 5: Solve for x
    x = 201,413,107.48/15,951.91
  6. Step 6: Final answer
    x = 12,626.27

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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.