Home / 19,873.45-27,422.25-11,373.62

Finding the Fourth Proportional to 19,873.45, 27,422.25 and 11,373.62

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Solution

The fourth proportional to 19,873.45, 27,422.25 and 11,373.62 is: 15,693.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,873.45 : 27,422.25 = 11,373.62 : x
  2. Step 2: Convert to fraction form
    19,873.45/27,422.25 = 11,373.62/x
  3. Step 3: Cross multiply
    19,873.45x = 27,422.25 × 11,373.62
  4. Step 4: Simplify right side
    19,873.45x = 311,890,071.28
  5. Step 5: Solve for x
    x = 311,890,071.28/19,873.45
  6. Step 6: Final answer
    x = 15,693.81

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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.