Home / 22,165.16-30,583.73-13,213.49

Finding the Fourth Proportional to 22,165.16, 30,583.73 and 13,213.49

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Solution

The fourth proportional to 22,165.16, 30,583.73 and 13,213.49 is: 18,232.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,165.16 : 30,583.73 = 13,213.49 : x
  2. Step 2: Convert to fraction form
    22,165.16/30,583.73 = 13,213.49/x
  3. Step 3: Cross multiply
    22,165.16x = 30,583.73 × 13,213.49
  4. Step 4: Simplify right side
    22,165.16x = 404,117,886.98
  5. Step 5: Solve for x
    x = 404,117,886.98/22,165.16
  6. Step 6: Final answer
    x = 18,232.12

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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.