Home / 15,233.48-21,013.44-8,944.64

Finding the Fourth Proportional to 15,233.48, 21,013.44 and 8,944.64

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Solution

The fourth proportional to 15,233.48, 21,013.44 and 8,944.64 is: 12,338.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,233.48 : 21,013.44 = 8,944.64 : x
  2. Step 2: Convert to fraction form
    15,233.48/21,013.44 = 8,944.64/x
  3. Step 3: Cross multiply
    15,233.48x = 21,013.44 × 8,944.64
  4. Step 4: Simplify right side
    15,233.48x = 187,957,655.96
  5. Step 5: Solve for x
    x = 187,957,655.96/15,233.48
  6. Step 6: Final answer
    x = 12,338.46

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1.5x scale

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.