Home / 22,143.56-30,558.66-12,583.22

Finding the Fourth Proportional to 22,143.56, 30,558.66 and 12,583.22

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Solution

The fourth proportional to 22,143.56, 30,558.66 and 12,583.22 is: 17,365.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,143.56 : 30,558.66 = 12,583.22 : x
  2. Step 2: Convert to fraction form
    22,143.56/30,558.66 = 12,583.22/x
  3. Step 3: Cross multiply
    22,143.56x = 30,558.66 × 12,583.22
  4. Step 4: Simplify right side
    22,143.56x = 384,526,341.69
  5. Step 5: Solve for x
    x = 384,526,341.69/22,143.56
  6. Step 6: Final answer
    x = 17,365.15

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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.