Home / 25,148.93-37,731.59-11,999.60

Finding the Fourth Proportional to 25,148.93, 37,731.59 and 11,999.60

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Solution

The fourth proportional to 25,148.93, 37,731.59 and 11,999.60 is: 18,003.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,148.93 : 37,731.59 = 11,999.60 : x
  2. Step 2: Convert to fraction form
    25,148.93/37,731.59 = 11,999.60/x
  3. Step 3: Cross multiply
    25,148.93x = 37,731.59 × 11,999.60
  4. Step 4: Simplify right side
    25,148.93x = 452,763,987.36
  5. Step 5: Solve for x
    x = 452,763,987.36/25,148.93
  6. Step 6: Final answer
    x = 18,003.31

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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.