Home / 14,067.37-21,071.28-9,122.32

Finding the Fourth Proportional to 14,067.37, 21,071.28 and 9,122.32

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Solution

The fourth proportional to 14,067.37, 21,071.28 and 9,122.32 is: 13,664.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,067.37 : 21,071.28 = 9,122.32 : x
  2. Step 2: Convert to fraction form
    14,067.37/21,071.28 = 9,122.32/x
  3. Step 3: Cross multiply
    14,067.37x = 21,071.28 × 9,122.32
  4. Step 4: Simplify right side
    14,067.37x = 192,218,853.61
  5. Step 5: Solve for x
    x = 192,218,853.61/14,067.37
  6. Step 6: Final answer
    x = 13,664.17

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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.