Home / 23,186.56-31,997.42-12,576.18

Finding the Fourth Proportional to 23,186.56, 31,997.42 and 12,576.18

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Solution

The fourth proportional to 23,186.56, 31,997.42 and 12,576.18 is: 17,355.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,186.56 : 31,997.42 = 12,576.18 : x
  2. Step 2: Convert to fraction form
    23,186.56/31,997.42 = 12,576.18/x
  3. Step 3: Cross multiply
    23,186.56x = 31,997.42 × 12,576.18
  4. Step 4: Simplify right side
    23,186.56x = 402,405,313.46
  5. Step 5: Solve for x
    x = 402,405,313.46/23,186.56
  6. Step 6: Final answer
    x = 17,355.11

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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.