Home / 15,716.36-23,575.66-5,855.63

Finding the Fourth Proportional to 15,716.36, 23,575.66 and 5,855.63

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Solution

The fourth proportional to 15,716.36, 23,575.66 and 5,855.63 is: 8,783.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,716.36 : 23,575.66 = 5,855.63 : x
  2. Step 2: Convert to fraction form
    15,716.36/23,575.66 = 5,855.63/x
  3. Step 3: Cross multiply
    15,716.36x = 23,575.66 × 5,855.63
  4. Step 4: Simplify right side
    15,716.36x = 138,050,209.45
  5. Step 5: Solve for x
    x = 138,050,209.45/15,716.36
  6. Step 6: Final answer
    x = 8,783.85

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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.