Home / 15,513.12-23,253.48-6,745.68

Finding the Fourth Proportional to 15,513.12, 23,253.48 and 6,745.68

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Solution

The fourth proportional to 15,513.12, 23,253.48 and 6,745.68 is: 10,111.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,513.12 : 23,253.48 = 6,745.68 : x
  2. Step 2: Convert to fraction form
    15,513.12/23,253.48 = 6,745.68/x
  3. Step 3: Cross multiply
    15,513.12x = 23,253.48 × 6,745.68
  4. Step 4: Simplify right side
    15,513.12x = 156,860,534.97
  5. Step 5: Solve for x
    x = 156,860,534.97/15,513.12
  6. Step 6: Final answer
    x = 10,111.48

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1.5x scale

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.