Home / 15,196.14-20,951.69-11,615.54

Finding the Fourth Proportional to 15,196.14, 20,951.69 and 11,615.54

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Solution

The fourth proportional to 15,196.14, 20,951.69 and 11,615.54 is: 16,014.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,196.14 : 20,951.69 = 11,615.54 : x
  2. Step 2: Convert to fraction form
    15,196.14/20,951.69 = 11,615.54/x
  3. Step 3: Cross multiply
    15,196.14x = 20,951.69 × 11,615.54
  4. Step 4: Simplify right side
    15,196.14x = 243,365,030.43
  5. Step 5: Solve for x
    x = 243,365,030.43/15,196.14
  6. Step 6: Final answer
    x = 16,014.92

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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.