Home / 15,045.26-20,751.27-9,735.98

Finding the Fourth Proportional to 15,045.26, 20,751.27 and 9,735.98

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Solution

The fourth proportional to 15,045.26, 20,751.27 and 9,735.98 is: 13,428.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,045.26 : 20,751.27 = 9,735.98 : x
  2. Step 2: Convert to fraction form
    15,045.26/20,751.27 = 9,735.98/x
  3. Step 3: Cross multiply
    15,045.26x = 20,751.27 × 9,735.98
  4. Step 4: Simplify right side
    15,045.26x = 202,033,949.69
  5. Step 5: Solve for x
    x = 202,033,949.69/15,045.26
  6. Step 6: Final answer
    x = 13,428.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.