Home / 13,967.12-19,278.25-9,249.68

Finding the Fourth Proportional to 13,967.12, 19,278.25 and 9,249.68

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Solution

The fourth proportional to 13,967.12, 19,278.25 and 9,249.68 is: 12,766.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,967.12 : 19,278.25 = 9,249.68 : x
  2. Step 2: Convert to fraction form
    13,967.12/19,278.25 = 9,249.68/x
  3. Step 3: Cross multiply
    13,967.12x = 19,278.25 × 9,249.68
  4. Step 4: Simplify right side
    13,967.12x = 178,317,547.07
  5. Step 5: Solve for x
    x = 178,317,547.07/13,967.12
  6. Step 6: Final answer
    x = 12,766.96

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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.