Home / 23,143.66-31,938.19-12,533.33

Finding the Fourth Proportional to 23,143.66, 31,938.19 and 12,533.33

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Solution

The fourth proportional to 23,143.66, 31,938.19 and 12,533.33 is: 17,295.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,143.66 : 31,938.19 = 12,533.33 : x
  2. Step 2: Convert to fraction form
    23,143.66/31,938.19 = 12,533.33/x
  3. Step 3: Cross multiply
    23,143.66x = 31,938.19 × 12,533.33
  4. Step 4: Simplify right side
    23,143.66x = 400,291,874.87
  5. Step 5: Solve for x
    x = 400,291,874.87/23,143.66
  6. Step 6: Final answer
    x = 17,295.96

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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.