Home / 15,578.19-23,366.34-5,189.94

Finding the Fourth Proportional to 15,578.19, 23,366.34 and 5,189.94

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Solution

The fourth proportional to 15,578.19, 23,366.34 and 5,189.94 is: 7,784.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,578.19 : 23,366.34 = 5,189.94 : x
  2. Step 2: Convert to fraction form
    15,578.19/23,366.34 = 5,189.94/x
  3. Step 3: Cross multiply
    15,578.19x = 23,366.34 × 5,189.94
  4. Step 4: Simplify right side
    15,578.19x = 121,269,902.62
  5. Step 5: Solve for x
    x = 121,269,902.62/15,578.19
  6. Step 6: Final answer
    x = 7,784.60

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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.