Home / 23,170.67-31,976.59-13,099.53

Finding the Fourth Proportional to 23,170.67, 31,976.59 and 13,099.53

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Solution

The fourth proportional to 23,170.67, 31,976.59 and 13,099.53 is: 18,077.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,170.67 : 31,976.59 = 13,099.53 : x
  2. Step 2: Convert to fraction form
    23,170.67/31,976.59 = 13,099.53/x
  3. Step 3: Cross multiply
    23,170.67x = 31,976.59 × 13,099.53
  4. Step 4: Simplify right side
    23,170.67x = 418,878,327.21
  5. Step 5: Solve for x
    x = 418,878,327.21/23,170.67
  6. Step 6: Final answer
    x = 18,077.96

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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.