Home / 23,186.64-31,997.66-12,576.45

Finding the Fourth Proportional to 23,186.64, 31,997.66 and 12,576.45

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Solution

The fourth proportional to 23,186.64, 31,997.66 and 12,576.45 is: 17,355.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,186.64 : 31,997.66 = 12,576.45 : x
  2. Step 2: Convert to fraction form
    23,186.64/31,997.66 = 12,576.45/x
  3. Step 3: Cross multiply
    23,186.64x = 31,997.66 × 12,576.45
  4. Step 4: Simplify right side
    23,186.64x = 402,416,971.11
  5. Step 5: Solve for x
    x = 402,416,971.11/23,186.64
  6. Step 6: Final answer
    x = 17,355.55

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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.