Home / 42,584.08-63,867.48-11,412.04

Finding the Fourth Proportional to 42,584.08, 63,867.48 and 11,412.04

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Solution

The fourth proportional to 42,584.08, 63,867.48 and 11,412.04 is: 17,115.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,584.08 : 63,867.48 = 11,412.04 : x
  2. Step 2: Convert to fraction form
    42,584.08/63,867.48 = 11,412.04/x
  3. Step 3: Cross multiply
    42,584.08x = 63,867.48 × 11,412.04
  4. Step 4: Simplify right side
    42,584.08x = 728,858,236.46
  5. Step 5: Solve for x
    x = 728,858,236.46/42,584.08
  6. Step 6: Final answer
    x = 17,115.74

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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.