Home / 15,618.24-21,552.48-8,544.96

Finding the Fourth Proportional to 15,618.24, 21,552.48 and 8,544.96

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Solution

The fourth proportional to 15,618.24, 21,552.48 and 8,544.96 is: 11,791.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,618.24 : 21,552.48 = 8,544.96 : x
  2. Step 2: Convert to fraction form
    15,618.24/21,552.48 = 8,544.96/x
  3. Step 3: Cross multiply
    15,618.24x = 21,552.48 × 8,544.96
  4. Step 4: Simplify right side
    15,618.24x = 184,165,079.50
  5. Step 5: Solve for x
    x = 184,165,079.50/15,618.24
  6. Step 6: Final answer
    x = 11,791.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.