Home / 15,930.02-23,894.60-7,615.90

Finding the Fourth Proportional to 15,930.02, 23,894.60 and 7,615.90

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Solution

The fourth proportional to 15,930.02, 23,894.60 and 7,615.90 is: 11,423.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,930.02 : 23,894.60 = 7,615.90 : x
  2. Step 2: Convert to fraction form
    15,930.02/23,894.60 = 7,615.90/x
  3. Step 3: Cross multiply
    15,930.02x = 23,894.60 × 7,615.90
  4. Step 4: Simplify right side
    15,930.02x = 181,978,884.14
  5. Step 5: Solve for x
    x = 181,978,884.14/15,930.02
  6. Step 6: Final answer
    x = 11,423.64

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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.