Home / 15,900.12-23,854.50-4,806.36

Finding the Fourth Proportional to 15,900.12, 23,854.50 and 4,806.36

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Solution

The fourth proportional to 15,900.12, 23,854.50 and 4,806.36 is: 7,210.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,900.12 : 23,854.50 = 4,806.36 : x
  2. Step 2: Convert to fraction form
    15,900.12/23,854.50 = 4,806.36/x
  3. Step 3: Cross multiply
    15,900.12x = 23,854.50 × 4,806.36
  4. Step 4: Simplify right side
    15,900.12x = 114,653,314.62
  5. Step 5: Solve for x
    x = 114,653,314.62/15,900.12
  6. Step 6: Final answer
    x = 7,210.85

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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.