Home / 29,255.19-40,372.26-15,826.51

Finding the Fourth Proportional to 29,255.19, 40,372.26 and 15,826.51

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Solution

The fourth proportional to 29,255.19, 40,372.26 and 15,826.51 is: 21,840.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,255.19 : 40,372.26 = 15,826.51 : x
  2. Step 2: Convert to fraction form
    29,255.19/40,372.26 = 15,826.51/x
  3. Step 3: Cross multiply
    29,255.19x = 40,372.26 × 15,826.51
  4. Step 4: Simplify right side
    29,255.19x = 638,951,774.75
  5. Step 5: Solve for x
    x = 638,951,774.75/29,255.19
  6. Step 6: Final answer
    x = 21,840.63

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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.