Home / 18,244.81-25,177.99-10,691.36

Finding the Fourth Proportional to 18,244.81, 25,177.99 and 10,691.36

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Solution

The fourth proportional to 18,244.81, 25,177.99 and 10,691.36 is: 14,754.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,244.81 : 25,177.99 = 10,691.36 : x
  2. Step 2: Convert to fraction form
    18,244.81/25,177.99 = 10,691.36/x
  3. Step 3: Cross multiply
    18,244.81x = 25,177.99 × 10,691.36
  4. Step 4: Simplify right side
    18,244.81x = 269,186,917.01
  5. Step 5: Solve for x
    x = 269,186,917.01/18,244.81
  6. Step 6: Final answer
    x = 14,754.16

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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.