Home / 13,326.15-19,989.57-4,561.02

Finding the Fourth Proportional to 13,326.15, 19,989.57 and 4,561.02

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Solution

The fourth proportional to 13,326.15, 19,989.57 and 4,561.02 is: 6,841.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,326.15 : 19,989.57 = 4,561.02 : x
  2. Step 2: Convert to fraction form
    13,326.15/19,989.57 = 4,561.02/x
  3. Step 3: Cross multiply
    13,326.15x = 19,989.57 × 4,561.02
  4. Step 4: Simplify right side
    13,326.15x = 91,172,828.56
  5. Step 5: Solve for x
    x = 91,172,828.56/13,326.15
  6. Step 6: Final answer
    x = 6,841.65

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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.