Home / 15,224.11-20,984.16-10,186.54

Finding the Fourth Proportional to 15,224.11, 20,984.16 and 10,186.54

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Solution

The fourth proportional to 15,224.11, 20,984.16 and 10,186.54 is: 14,040.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,224.11 : 20,984.16 = 10,186.54 : x
  2. Step 2: Convert to fraction form
    15,224.11/20,984.16 = 10,186.54/x
  3. Step 3: Cross multiply
    15,224.11x = 20,984.16 × 10,186.54
  4. Step 4: Simplify right side
    15,224.11x = 213,755,985.21
  5. Step 5: Solve for x
    x = 213,755,985.21/15,224.11
  6. Step 6: Final answer
    x = 14,040.62

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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.