Home / 23,052.87-31,813.56-12,981.65

Finding the Fourth Proportional to 23,052.87, 31,813.56 and 12,981.65

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Solution

The fourth proportional to 23,052.87, 31,813.56 and 12,981.65 is: 17,915.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,052.87 : 31,813.56 = 12,981.65 : x
  2. Step 2: Convert to fraction form
    23,052.87/31,813.56 = 12,981.65/x
  3. Step 3: Cross multiply
    23,052.87x = 31,813.56 × 12,981.65
  4. Step 4: Simplify right side
    23,052.87x = 412,992,342.11
  5. Step 5: Solve for x
    x = 412,992,342.11/23,052.87
  6. Step 6: Final answer
    x = 17,915.01

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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.