Home / 15,287.72-22,933.30-13,718.06

Finding the Fourth Proportional to 15,287.72, 22,933.30 and 13,718.06

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Solution

The fourth proportional to 15,287.72, 22,933.30 and 13,718.06 is: 20,578.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,287.72 : 22,933.30 = 13,718.06 : x
  2. Step 2: Convert to fraction form
    15,287.72/22,933.30 = 13,718.06/x
  3. Step 3: Cross multiply
    15,287.72x = 22,933.30 × 13,718.06
  4. Step 4: Simplify right side
    15,287.72x = 314,600,385.40
  5. Step 5: Solve for x
    x = 314,600,385.40/15,287.72
  6. Step 6: Final answer
    x = 20,578.63

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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.