Home / 15,513.09-23,269.10-6,748.02

Finding the Fourth Proportional to 15,513.09, 23,269.10 and 6,748.02

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Solution

The fourth proportional to 15,513.09, 23,269.10 and 6,748.02 is: 10,121.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,513.09 : 23,269.10 = 6,748.02 : x
  2. Step 2: Convert to fraction form
    15,513.09/23,269.10 = 6,748.02/x
  3. Step 3: Cross multiply
    15,513.09x = 23,269.10 × 6,748.02
  4. Step 4: Simplify right side
    15,513.09x = 157,020,318.44
  5. Step 5: Solve for x
    x = 157,020,318.44/15,513.09
  6. Step 6: Final answer
    x = 10,121.80

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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.