Home / 13,368.60-20,020.02-9,196.86

Finding the Fourth Proportional to 13,368.60, 20,020.02 and 9,196.86

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Solution

The fourth proportional to 13,368.60, 20,020.02 and 9,196.86 is: 13,772.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,368.60 : 20,020.02 = 9,196.86 : x
  2. Step 2: Convert to fraction form
    13,368.60/20,020.02 = 9,196.86/x
  3. Step 3: Cross multiply
    13,368.60x = 20,020.02 × 9,196.86
  4. Step 4: Simplify right side
    13,368.60x = 184,121,321.14
  5. Step 5: Solve for x
    x = 184,121,321.14/13,368.60
  6. Step 6: Final answer
    x = 13,772.67

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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.