Home / 18,795.25-25,937.45-11,343.25

Finding the Fourth Proportional to 18,795.25, 25,937.45 and 11,343.25

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Solution

The fourth proportional to 18,795.25, 25,937.45 and 11,343.25 is: 15,653.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,795.25 : 25,937.45 = 11,343.25 : x
  2. Step 2: Convert to fraction form
    18,795.25/25,937.45 = 11,343.25/x
  3. Step 3: Cross multiply
    18,795.25x = 25,937.45 × 11,343.25
  4. Step 4: Simplify right side
    18,795.25x = 294,214,979.71
  5. Step 5: Solve for x
    x = 294,214,979.71/18,795.25
  6. Step 6: Final answer
    x = 15,653.69

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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.