Home / 13,186.86-19,766.27-9,025.70

Finding the Fourth Proportional to 13,186.86, 19,766.27 and 9,025.70

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Solution

The fourth proportional to 13,186.86, 19,766.27 and 9,025.70 is: 13,528.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,186.86 : 19,766.27 = 9,025.70 : x
  2. Step 2: Convert to fraction form
    13,186.86/19,766.27 = 9,025.70/x
  3. Step 3: Cross multiply
    13,186.86x = 19,766.27 × 9,025.70
  4. Step 4: Simplify right side
    13,186.86x = 178,404,279.18
  5. Step 5: Solve for x
    x = 178,404,279.18/13,186.86
  6. Step 6: Final answer
    x = 13,528.94

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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.