Home / 15,847.05-23,774.16-5,317.65

Finding the Fourth Proportional to 15,847.05, 23,774.16 and 5,317.65

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Solution

The fourth proportional to 15,847.05, 23,774.16 and 5,317.65 is: 7,977.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,847.05 : 23,774.16 = 5,317.65 : x
  2. Step 2: Convert to fraction form
    15,847.05/23,774.16 = 5,317.65/x
  3. Step 3: Cross multiply
    15,847.05x = 23,774.16 × 5,317.65
  4. Step 4: Simplify right side
    15,847.05x = 126,422,661.92
  5. Step 5: Solve for x
    x = 126,422,661.92/15,847.05
  6. Step 6: Final answer
    x = 7,977.68

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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.