Home / 22,159.51-30,583.38-13,212.25

Finding the Fourth Proportional to 22,159.51, 30,583.38 and 13,212.25

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Solution

The fourth proportional to 22,159.51, 30,583.38 and 13,212.25 is: 18,234.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,159.51 : 30,583.38 = 13,212.25 : x
  2. Step 2: Convert to fraction form
    22,159.51/30,583.38 = 13,212.25/x
  3. Step 3: Cross multiply
    22,159.51x = 30,583.38 × 13,212.25
  4. Step 4: Simplify right side
    22,159.51x = 404,075,262.41
  5. Step 5: Solve for x
    x = 404,075,262.41/22,159.51
  6. Step 6: Final answer
    x = 18,234.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.