Home / 19,746.24-27,246.72-11,361.12

Finding the Fourth Proportional to 19,746.24, 27,246.72 and 11,361.12

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Solution

The fourth proportional to 19,746.24, 27,246.72 and 11,361.12 is: 15,676.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,746.24 : 27,246.72 = 11,361.12 : x
  2. Step 2: Convert to fraction form
    19,746.24/27,246.72 = 11,361.12/x
  3. Step 3: Cross multiply
    19,746.24x = 27,246.72 × 11,361.12
  4. Step 4: Simplify right side
    19,746.24x = 309,553,255.53
  5. Step 5: Solve for x
    x = 309,553,255.53/19,746.24
  6. Step 6: Final answer
    x = 15,676.57

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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.