Home / 15,396.90-23,081.49-5,533.86

Finding the Fourth Proportional to 15,396.90, 23,081.49 and 5,533.86

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Solution

The fourth proportional to 15,396.90, 23,081.49 and 5,533.86 is: 8,295.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,396.90 : 23,081.49 = 5,533.86 : x
  2. Step 2: Convert to fraction form
    15,396.90/23,081.49 = 5,533.86/x
  3. Step 3: Cross multiply
    15,396.90x = 23,081.49 × 5,533.86
  4. Step 4: Simplify right side
    15,396.90x = 127,729,734.25
  5. Step 5: Solve for x
    x = 127,729,734.25/15,396.90
  6. Step 6: Final answer
    x = 8,295.81

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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.