Home / 18,951.72-26,155.62-10,888.26

Finding the Fourth Proportional to 18,951.72, 26,155.62 and 10,888.26

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Solution

The fourth proportional to 18,951.72, 26,155.62 and 10,888.26 is: 15,027.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,951.72 : 26,155.62 = 10,888.26 : x
  2. Step 2: Convert to fraction form
    18,951.72/26,155.62 = 10,888.26/x
  3. Step 3: Cross multiply
    18,951.72x = 26,155.62 × 10,888.26
  4. Step 4: Simplify right side
    18,951.72x = 284,789,191.02
  5. Step 5: Solve for x
    x = 284,789,191.02/18,951.72
  6. Step 6: Final answer
    x = 15,027.09

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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.