Home / 15,857.37-23,747.18-9,996.21

Finding the Fourth Proportional to 15,857.37, 23,747.18 and 9,996.21

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Solution

The fourth proportional to 15,857.37, 23,747.18 and 9,996.21 is: 14,969.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,857.37 : 23,747.18 = 9,996.21 : x
  2. Step 2: Convert to fraction form
    15,857.37/23,747.18 = 9,996.21/x
  3. Step 3: Cross multiply
    15,857.37x = 23,747.18 × 9,996.21
  4. Step 4: Simplify right side
    15,857.37x = 237,381,748.21
  5. Step 5: Solve for x
    x = 237,381,748.21/15,857.37
  6. Step 6: Final answer
    x = 14,969.81

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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.