Home / 23,046.78-34,568.54-13,155.06

Finding the Fourth Proportional to 23,046.78, 34,568.54 and 13,155.06

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Solution

The fourth proportional to 23,046.78, 34,568.54 and 13,155.06 is: 19,731.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,046.78 : 34,568.54 = 13,155.06 : x
  2. Step 2: Convert to fraction form
    23,046.78/34,568.54 = 13,155.06/x
  3. Step 3: Cross multiply
    23,046.78x = 34,568.54 × 13,155.06
  4. Step 4: Simplify right side
    23,046.78x = 454,751,217.81
  5. Step 5: Solve for x
    x = 454,751,217.81/23,046.78
  6. Step 6: Final answer
    x = 19,731.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.