Home / 22,271.51-33,396.84-12,914.20

Finding the Fourth Proportional to 22,271.51, 33,396.84 and 12,914.20

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Solution

The fourth proportional to 22,271.51, 33,396.84 and 12,914.20 is: 19,365.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,271.51 : 33,396.84 = 12,914.20 : x
  2. Step 2: Convert to fraction form
    22,271.51/33,396.84 = 12,914.20/x
  3. Step 3: Cross multiply
    22,271.51x = 33,396.84 × 12,914.20
  4. Step 4: Simplify right side
    22,271.51x = 431,293,471.13
  5. Step 5: Solve for x
    x = 431,293,471.13/22,271.51
  6. Step 6: Final answer
    x = 19,365.26

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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.