Home / 13,072.76-19,609.60-4,186.93

Finding the Fourth Proportional to 13,072.76, 19,609.60 and 4,186.93

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Solution

The fourth proportional to 13,072.76, 19,609.60 and 4,186.93 is: 6,280.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,072.76 : 19,609.60 = 4,186.93 : x
  2. Step 2: Convert to fraction form
    13,072.76/19,609.60 = 4,186.93/x
  3. Step 3: Cross multiply
    13,072.76x = 19,609.60 × 4,186.93
  4. Step 4: Simplify right side
    13,072.76x = 82,104,062.81
  5. Step 5: Solve for x
    x = 82,104,062.81/13,072.76
  6. Step 6: Final answer
    x = 6,280.55

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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.