Home / 27,307.53-37,664.97-18,228.32

Finding the Fourth Proportional to 27,307.53, 37,664.97 and 18,228.32

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Solution

The fourth proportional to 27,307.53, 37,664.97 and 18,228.32 is: 25,142.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,307.53 : 37,664.97 = 18,228.32 : x
  2. Step 2: Convert to fraction form
    27,307.53/37,664.97 = 18,228.32/x
  3. Step 3: Cross multiply
    27,307.53x = 37,664.97 × 18,228.32
  4. Step 4: Simplify right side
    27,307.53x = 686,568,983.20
  5. Step 5: Solve for x
    x = 686,568,983.20/27,307.53
  6. Step 6: Final answer
    x = 25,142.12

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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.