Home / 13,326.12-19,985.64-4,440.02

Finding the Fourth Proportional to 13,326.12, 19,985.64 and 4,440.02

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Solution

The fourth proportional to 13,326.12, 19,985.64 and 4,440.02 is: 6,658.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,326.12 : 19,985.64 = 4,440.02 : x
  2. Step 2: Convert to fraction form
    13,326.12/19,985.64 = 4,440.02/x
  3. Step 3: Cross multiply
    13,326.12x = 19,985.64 × 4,440.02
  4. Step 4: Simplify right side
    13,326.12x = 88,736,524.73
  5. Step 5: Solve for x
    x = 88,736,524.73/13,326.12
  6. Step 6: Final answer
    x = 6,658.84

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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.