Home / 15,441.42-23,131.08-7,109.82

Finding the Fourth Proportional to 15,441.42, 23,131.08 and 7,109.82

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Solution

The fourth proportional to 15,441.42, 23,131.08 and 7,109.82 is: 10,650.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,441.42 : 23,131.08 = 7,109.82 : x
  2. Step 2: Convert to fraction form
    15,441.42/23,131.08 = 7,109.82/x
  3. Step 3: Cross multiply
    15,441.42x = 23,131.08 × 7,109.82
  4. Step 4: Simplify right side
    15,441.42x = 164,457,815.21
  5. Step 5: Solve for x
    x = 164,457,815.21/15,441.42
  6. Step 6: Final answer
    x = 10,650.43

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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.