Home / 42,608.14-63,912.36-13,025.86

Finding the Fourth Proportional to 42,608.14, 63,912.36 and 13,025.86

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Solution

The fourth proportional to 42,608.14, 63,912.36 and 13,025.86 is: 19,538.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,608.14 : 63,912.36 = 13,025.86 : x
  2. Step 2: Convert to fraction form
    42,608.14/63,912.36 = 13,025.86/x
  3. Step 3: Cross multiply
    42,608.14x = 63,912.36 × 13,025.86
  4. Step 4: Simplify right side
    42,608.14x = 832,513,453.63
  5. Step 5: Solve for x
    x = 832,513,453.63/42,608.14
  6. Step 6: Final answer
    x = 19,538.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.