Home / 29,255.54-40,372.59-15,826.81

Finding the Fourth Proportional to 29,255.54, 40,372.59 and 15,826.81

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Solution

The fourth proportional to 29,255.54, 40,372.59 and 15,826.81 is: 21,840.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,255.54 : 40,372.59 = 15,826.81 : x
  2. Step 2: Convert to fraction form
    29,255.54/40,372.59 = 15,826.81/x
  3. Step 3: Cross multiply
    29,255.54x = 40,372.59 × 15,826.81
  4. Step 4: Simplify right side
    29,255.54x = 638,969,311.14
  5. Step 5: Solve for x
    x = 638,969,311.14/29,255.54
  6. Step 6: Final answer
    x = 21,840.97

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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.