Home / 17,721.12-26,551.08-11,396.64

Finding the Fourth Proportional to 17,721.12, 26,551.08 and 11,396.64

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Solution

The fourth proportional to 17,721.12, 26,551.08 and 11,396.64 is: 17,075.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,721.12 : 26,551.08 = 11,396.64 : x
  2. Step 2: Convert to fraction form
    17,721.12/26,551.08 = 11,396.64/x
  3. Step 3: Cross multiply
    17,721.12x = 26,551.08 × 11,396.64
  4. Step 4: Simplify right side
    17,721.12x = 302,593,100.37
  5. Step 5: Solve for x
    x = 302,593,100.37/17,721.12
  6. Step 6: Final answer
    x = 17,075.28

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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.