Home / 15,215.88-22,826.00-4,686.80

Finding the Fourth Proportional to 15,215.88, 22,826.00 and 4,686.80

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Solution

The fourth proportional to 15,215.88, 22,826.00 and 4,686.80 is: 7,030.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,215.88 : 22,826.00 = 4,686.80 : x
  2. Step 2: Convert to fraction form
    15,215.88/22,826.00 = 4,686.80/x
  3. Step 3: Cross multiply
    15,215.88x = 22,826.00 × 4,686.80
  4. Step 4: Simplify right side
    15,215.88x = 106,980,794.39
  5. Step 5: Solve for x
    x = 106,980,794.39/15,215.88
  6. Step 6: Final answer
    x = 7,030.86

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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.