Home / 42,255.10-63,338.37-14,168.26

Finding the Fourth Proportional to 42,255.10, 63,338.37 and 14,168.26

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Solution

The fourth proportional to 42,255.10, 63,338.37 and 14,168.26 is: 21,237.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,255.10 : 63,338.37 = 14,168.26 : x
  2. Step 2: Convert to fraction form
    42,255.10/63,338.37 = 14,168.26/x
  3. Step 3: Cross multiply
    42,255.10x = 63,338.37 × 14,168.26
  4. Step 4: Simplify right side
    42,255.10x = 897,394,494.14
  5. Step 5: Solve for x
    x = 897,394,494.14/42,255.10
  6. Step 6: Final answer
    x = 21,237.54

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1.5x scale

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.