Home / 13,194.74-18,207.90-7,226.48

Finding the Fourth Proportional to 13,194.74, 18,207.90 and 7,226.48

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Solution

The fourth proportional to 13,194.74, 18,207.90 and 7,226.48 is: 9,972.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,194.74 : 18,207.90 = 7,226.48 : x
  2. Step 2: Convert to fraction form
    13,194.74/18,207.90 = 7,226.48/x
  3. Step 3: Cross multiply
    13,194.74x = 18,207.90 × 7,226.48
  4. Step 4: Simplify right side
    13,194.74x = 131,579,025.19
  5. Step 5: Solve for x
    x = 131,579,025.19/13,194.74
  6. Step 6: Final answer
    x = 9,972.08

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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.