Home / 14,067.64-19,356.81-13,582.84

Finding the Fourth Proportional to 14,067.64, 19,356.81 and 13,582.84

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Solution

The fourth proportional to 14,067.64, 19,356.81 and 13,582.84 is: 18,689.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,067.64 : 19,356.81 = 13,582.84 : x
  2. Step 2: Convert to fraction form
    14,067.64/19,356.81 = 13,582.84/x
  3. Step 3: Cross multiply
    14,067.64x = 19,356.81 × 13,582.84
  4. Step 4: Simplify right side
    14,067.64x = 262,920,453.14
  5. Step 5: Solve for x
    x = 262,920,453.14/14,067.64
  6. Step 6: Final answer
    x = 18,689.73

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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.