Home / 12,531.22-17,330.70-10,956.58

Finding the Fourth Proportional to 12,531.22, 17,330.70 and 10,956.58

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Solution

The fourth proportional to 12,531.22, 17,330.70 and 10,956.58 is: 15,152.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,531.22 : 17,330.70 = 10,956.58 : x
  2. Step 2: Convert to fraction form
    12,531.22/17,330.70 = 10,956.58/x
  3. Step 3: Cross multiply
    12,531.22x = 17,330.70 × 10,956.58
  4. Step 4: Simplify right side
    12,531.22x = 189,885,201.01
  5. Step 5: Solve for x
    x = 189,885,201.01/12,531.22
  6. Step 6: Final answer
    x = 15,152.97

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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.