Home / 15,389.38-23,086.29-4,855.82

Finding the Fourth Proportional to 15,389.38, 23,086.29 and 4,855.82

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Solution

The fourth proportional to 15,389.38, 23,086.29 and 4,855.82 is: 7,284.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,389.38 : 23,086.29 = 4,855.82 : x
  2. Step 2: Convert to fraction form
    15,389.38/23,086.29 = 4,855.82/x
  3. Step 3: Cross multiply
    15,389.38x = 23,086.29 × 4,855.82
  4. Step 4: Simplify right side
    15,389.38x = 112,102,868.71
  5. Step 5: Solve for x
    x = 112,102,868.71/15,389.38
  6. Step 6: Final answer
    x = 7,284.43

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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.