Home / 15,818.14-23,719.20-5,284.41

Finding the Fourth Proportional to 15,818.14, 23,719.20 and 5,284.41

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Solution

The fourth proportional to 15,818.14, 23,719.20 and 5,284.41 is: 7,923.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,818.14 : 23,719.20 = 5,284.41 : x
  2. Step 2: Convert to fraction form
    15,818.14/23,719.20 = 5,284.41/x
  3. Step 3: Cross multiply
    15,818.14x = 23,719.20 × 5,284.41
  4. Step 4: Simplify right side
    15,818.14x = 125,341,977.67
  5. Step 5: Solve for x
    x = 125,341,977.67/15,818.14
  6. Step 6: Final answer
    x = 7,923.94

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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.