Home / 15,147.32-22,685.71-14,621.84

Finding the Fourth Proportional to 15,147.32, 22,685.71 and 14,621.84

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Solution

The fourth proportional to 15,147.32, 22,685.71 and 14,621.84 is: 21,898.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,147.32 : 22,685.71 = 14,621.84 : x
  2. Step 2: Convert to fraction form
    15,147.32/22,685.71 = 14,621.84/x
  3. Step 3: Cross multiply
    15,147.32x = 22,685.71 × 14,621.84
  4. Step 4: Simplify right side
    15,147.32x = 331,706,708.48
  5. Step 5: Solve for x
    x = 331,706,708.48/15,147.32
  6. Step 6: Final answer
    x = 21,898.71

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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.