Home / 15,909.36-23,841.48-11,716.50

Finding the Fourth Proportional to 15,909.36, 23,841.48 and 11,716.50

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Solution

The fourth proportional to 15,909.36, 23,841.48 and 11,716.50 is: 17,558.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,909.36 : 23,841.48 = 11,716.50 : x
  2. Step 2: Convert to fraction form
    15,909.36/23,841.48 = 11,716.50/x
  3. Step 3: Cross multiply
    15,909.36x = 23,841.48 × 11,716.50
  4. Step 4: Simplify right side
    15,909.36x = 279,338,700.42
  5. Step 5: Solve for x
    x = 279,338,700.42/15,909.36
  6. Step 6: Final answer
    x = 17,558.14

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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.