Home / 19,115.51-28,672.23-5,966.37

Finding the Fourth Proportional to 19,115.51, 28,672.23 and 5,966.37

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Solution

The fourth proportional to 19,115.51, 28,672.23 and 5,966.37 is: 8,949.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,115.51 : 28,672.23 = 5,966.37 : x
  2. Step 2: Convert to fraction form
    19,115.51/28,672.23 = 5,966.37/x
  3. Step 3: Cross multiply
    19,115.51x = 28,672.23 × 5,966.37
  4. Step 4: Simplify right side
    19,115.51x = 171,069,132.91
  5. Step 5: Solve for x
    x = 171,069,132.91/19,115.51
  6. Step 6: Final answer
    x = 8,949.23

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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.