Home / 15,951.04-22,012.56-9,659.04

Finding the Fourth Proportional to 15,951.04, 22,012.56 and 9,659.04

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Solution

The fourth proportional to 15,951.04, 22,012.56 and 9,659.04 is: 13,329.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,951.04 : 22,012.56 = 9,659.04 : x
  2. Step 2: Convert to fraction form
    15,951.04/22,012.56 = 9,659.04/x
  3. Step 3: Cross multiply
    15,951.04x = 22,012.56 × 9,659.04
  4. Step 4: Simplify right side
    15,951.04x = 212,620,197.54
  5. Step 5: Solve for x
    x = 212,620,197.54/15,951.04
  6. Step 6: Final answer
    x = 13,329.55

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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.