Home / 15,923.76-21,976.01-9,550.59

Finding the Fourth Proportional to 15,923.76, 21,976.01 and 9,550.59

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Solution

The fourth proportional to 15,923.76, 21,976.01 and 9,550.59 is: 13,180.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,923.76 : 21,976.01 = 9,550.59 : x
  2. Step 2: Convert to fraction form
    15,923.76/21,976.01 = 9,550.59/x
  3. Step 3: Cross multiply
    15,923.76x = 21,976.01 × 9,550.59
  4. Step 4: Simplify right side
    15,923.76x = 209,883,890.61
  5. Step 5: Solve for x
    x = 209,883,890.61/15,923.76
  6. Step 6: Final answer
    x = 13,180.55

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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.