Home / 23,167.08-31,975.56-18,121.32

Finding the Fourth Proportional to 23,167.08, 31,975.56 and 18,121.32

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Solution

The fourth proportional to 23,167.08, 31,975.56 and 18,121.32 is: 25,011.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,167.08 : 31,975.56 = 18,121.32 : x
  2. Step 2: Convert to fraction form
    23,167.08/31,975.56 = 18,121.32/x
  3. Step 3: Cross multiply
    23,167.08x = 31,975.56 × 18,121.32
  4. Step 4: Simplify right side
    23,167.08x = 579,439,354.94
  5. Step 5: Solve for x
    x = 579,439,354.94/23,167.08
  6. Step 6: Final answer
    x = 25,011.32

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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.