Home / 19,062.78-28,592.80-5,914.81

Finding the Fourth Proportional to 19,062.78, 28,592.80 and 5,914.81

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Solution

The fourth proportional to 19,062.78, 28,592.80 and 5,914.81 is: 8,871.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,062.78 : 28,592.80 = 5,914.81 : x
  2. Step 2: Convert to fraction form
    19,062.78/28,592.80 = 5,914.81/x
  3. Step 3: Cross multiply
    19,062.78x = 28,592.80 × 5,914.81
  4. Step 4: Simplify right side
    19,062.78x = 169,120,979.37
  5. Step 5: Solve for x
    x = 169,120,979.37/19,062.78
  6. Step 6: Final answer
    x = 8,871.79

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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.