Home / 15,405.93-23,107.11-4,313.51

Finding the Fourth Proportional to 15,405.93, 23,107.11 and 4,313.51

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Solution

The fourth proportional to 15,405.93, 23,107.11 and 4,313.51 is: 6,469.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,405.93 : 23,107.11 = 4,313.51 : x
  2. Step 2: Convert to fraction form
    15,405.93/23,107.11 = 4,313.51/x
  3. Step 3: Cross multiply
    15,405.93x = 23,107.11 × 4,313.51
  4. Step 4: Simplify right side
    15,405.93x = 99,672,634.52
  5. Step 5: Solve for x
    x = 99,672,634.52/15,405.93
  6. Step 6: Final answer
    x = 6,469.76

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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.