Home / 19,009.76-28,519.56-5,861.84

Finding the Fourth Proportional to 19,009.76, 28,519.56 and 5,861.84

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Solution

The fourth proportional to 19,009.76, 28,519.56 and 5,861.84 is: 8,794.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,009.76 : 28,519.56 = 5,861.84 : x
  2. Step 2: Convert to fraction form
    19,009.76/28,519.56 = 5,861.84/x
  3. Step 3: Cross multiply
    19,009.76x = 28,519.56 × 5,861.84
  4. Step 4: Simplify right side
    19,009.76x = 167,177,097.59
  5. Step 5: Solve for x
    x = 167,177,097.59/19,009.76
  6. Step 6: Final answer
    x = 8,794.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.