Home / 13,335.80-20,005.50-4,573.16

Finding the Fourth Proportional to 13,335.80, 20,005.50 and 4,573.16

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Solution

The fourth proportional to 13,335.80, 20,005.50 and 4,573.16 is: 6,860.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,335.80 : 20,005.50 = 4,573.16 : x
  2. Step 2: Convert to fraction form
    13,335.80/20,005.50 = 4,573.16/x
  3. Step 3: Cross multiply
    13,335.80x = 20,005.50 × 4,573.16
  4. Step 4: Simplify right side
    13,335.80x = 91,488,352.38
  5. Step 5: Solve for x
    x = 91,488,352.38/13,335.80
  6. Step 6: Final answer
    x = 6,860.36

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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.