Home / 13,364.64-20,043.90-5,045.52

Finding the Fourth Proportional to 13,364.64, 20,043.90 and 5,045.52

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Solution

The fourth proportional to 13,364.64, 20,043.90 and 5,045.52 is: 7,567.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,364.64 : 20,043.90 = 5,045.52 : x
  2. Step 2: Convert to fraction form
    13,364.64/20,043.90 = 5,045.52/x
  3. Step 3: Cross multiply
    13,364.64x = 20,043.90 × 5,045.52
  4. Step 4: Simplify right side
    13,364.64x = 101,131,898.33
  5. Step 5: Solve for x
    x = 101,131,898.33/13,364.64
  6. Step 6: Final answer
    x = 7,567.12

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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.