Home / 23,168.91-31,975.08-13,099.14

Finding the Fourth Proportional to 23,168.91, 31,975.08 and 13,099.14

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Solution

The fourth proportional to 23,168.91, 31,975.08 and 13,099.14 is: 18,077.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,168.91 : 31,975.08 = 13,099.14 : x
  2. Step 2: Convert to fraction form
    23,168.91/31,975.08 = 13,099.14/x
  3. Step 3: Cross multiply
    23,168.91x = 31,975.08 × 13,099.14
  4. Step 4: Simplify right side
    23,168.91x = 418,846,127.08
  5. Step 5: Solve for x
    x = 418,846,127.08/23,168.91
  6. Step 6: Final answer
    x = 18,077.94

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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.