Home / 23,015.84-31,762.17-13,584.39

Finding the Fourth Proportional to 23,015.84, 31,762.17 and 13,584.39

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Solution

The fourth proportional to 23,015.84, 31,762.17 and 13,584.39 is: 18,746.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,015.84 : 31,762.17 = 13,584.39 : x
  2. Step 2: Convert to fraction form
    23,015.84/31,762.17 = 13,584.39/x
  3. Step 3: Cross multiply
    23,015.84x = 31,762.17 × 13,584.39
  4. Step 4: Simplify right side
    23,015.84x = 431,469,704.53
  5. Step 5: Solve for x
    x = 431,469,704.53/23,015.84
  6. Step 6: Final answer
    x = 18,746.65

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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.