Home / 15,920.31-23,881.14-4,826.69

Finding the Fourth Proportional to 15,920.31, 23,881.14 and 4,826.69

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Solution

The fourth proportional to 15,920.31, 23,881.14 and 4,826.69 is: 7,240.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,920.31 : 23,881.14 = 4,826.69 : x
  2. Step 2: Convert to fraction form
    15,920.31/23,881.14 = 4,826.69/x
  3. Step 3: Cross multiply
    15,920.31x = 23,881.14 × 4,826.69
  4. Step 4: Simplify right side
    15,920.31x = 115,266,740.22
  5. Step 5: Solve for x
    x = 115,266,740.22/15,920.31
  6. Step 6: Final answer
    x = 7,240.23

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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.