Home / 23,126.39-31,914.44-12,516.03

Finding the Fourth Proportional to 23,126.39, 31,914.44 and 12,516.03

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Solution

The fourth proportional to 23,126.39, 31,914.44 and 12,516.03 is: 17,272.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,126.39 : 31,914.44 = 12,516.03 : x
  2. Step 2: Convert to fraction form
    23,126.39/31,914.44 = 12,516.03/x
  3. Step 3: Cross multiply
    23,126.39x = 31,914.44 × 12,516.03
  4. Step 4: Simplify right side
    23,126.39x = 399,442,025.89
  5. Step 5: Solve for x
    x = 399,442,025.89/23,126.39
  6. Step 6: Final answer
    x = 17,272.13

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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.