Home / 42,600.58-63,900.87-11,435.83

Finding the Fourth Proportional to 42,600.58, 63,900.87 and 11,435.83

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Solution

The fourth proportional to 42,600.58, 63,900.87 and 11,435.83 is: 17,153.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,600.58 : 63,900.87 = 11,435.83 : x
  2. Step 2: Convert to fraction form
    42,600.58/63,900.87 = 11,435.83/x
  3. Step 3: Cross multiply
    42,600.58x = 63,900.87 × 11,435.83
  4. Step 4: Simplify right side
    42,600.58x = 730,759,611.24
  5. Step 5: Solve for x
    x = 730,759,611.24/42,600.58
  6. Step 6: Final answer
    x = 17,153.75

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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.