Home / 25,385.63-35,027.30-16,431.89

Finding the Fourth Proportional to 25,385.63, 35,027.30 and 16,431.89

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Solution

The fourth proportional to 25,385.63, 35,027.30 and 16,431.89 is: 22,672.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,385.63 : 35,027.30 = 16,431.89 : x
  2. Step 2: Convert to fraction form
    25,385.63/35,027.30 = 16,431.89/x
  3. Step 3: Cross multiply
    25,385.63x = 35,027.30 × 16,431.89
  4. Step 4: Simplify right side
    25,385.63x = 575,564,606.54
  5. Step 5: Solve for x
    x = 575,564,606.54/25,385.63
  6. Step 6: Final answer
    x = 22,672.86

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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.