Home / 18,122.73-25,009.32-10,164.93

Finding the Fourth Proportional to 18,122.73, 25,009.32 and 10,164.93

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Solution

The fourth proportional to 18,122.73, 25,009.32 and 10,164.93 is: 14,027.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,122.73 : 25,009.32 = 10,164.93 : x
  2. Step 2: Convert to fraction form
    18,122.73/25,009.32 = 10,164.93/x
  3. Step 3: Cross multiply
    18,122.73x = 25,009.32 × 10,164.93
  4. Step 4: Simplify right side
    18,122.73x = 254,217,987.15
  5. Step 5: Solve for x
    x = 254,217,987.15/18,122.73
  6. Step 6: Final answer
    x = 14,027.58

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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.