Home / 14,045.03-21,067.54-3,656.78

Finding the Fourth Proportional to 14,045.03, 21,067.54 and 3,656.78

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Solution

The fourth proportional to 14,045.03, 21,067.54 and 3,656.78 is: 5,485.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,045.03 : 21,067.54 = 3,656.78 : x
  2. Step 2: Convert to fraction form
    14,045.03/21,067.54 = 3,656.78/x
  3. Step 3: Cross multiply
    14,045.03x = 21,067.54 × 3,656.78
  4. Step 4: Simplify right side
    14,045.03x = 77,039,244.44
  5. Step 5: Solve for x
    x = 77,039,244.44/14,045.03
  6. Step 6: Final answer
    x = 5,485.16

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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.