Home / 17,727.36-26,590.08-5,415.36

Finding the Fourth Proportional to 17,727.36, 26,590.08 and 5,415.36

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Solution

The fourth proportional to 17,727.36, 26,590.08 and 5,415.36 is: 8,122.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,727.36 : 26,590.08 = 5,415.36 : x
  2. Step 2: Convert to fraction form
    17,727.36/26,590.08 = 5,415.36/x
  3. Step 3: Cross multiply
    17,727.36x = 26,590.08 × 5,415.36
  4. Step 4: Simplify right side
    17,727.36x = 143,994,855.63
  5. Step 5: Solve for x
    x = 143,994,855.63/17,727.36
  6. Step 6: Final answer
    x = 8,122.75

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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.