Home / 19,570.87-29,319.39-15,166.80

Finding the Fourth Proportional to 19,570.87, 29,319.39 and 15,166.80

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Solution

The fourth proportional to 19,570.87, 29,319.39 and 15,166.80 is: 22,721.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,570.87 : 29,319.39 = 15,166.80 : x
  2. Step 2: Convert to fraction form
    19,570.87/29,319.39 = 15,166.80/x
  3. Step 3: Cross multiply
    19,570.87x = 29,319.39 × 15,166.80
  4. Step 4: Simplify right side
    19,570.87x = 444,681,324.25
  5. Step 5: Solve for x
    x = 444,681,324.25/19,570.87
  6. Step 6: Final answer
    x = 22,721.59

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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.