Home / 17,740.56-24,481.80-9,782.60

Finding the Fourth Proportional to 17,740.56, 24,481.80 and 9,782.60

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Solution

The fourth proportional to 17,740.56, 24,481.80 and 9,782.60 is: 13,499.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,740.56 : 24,481.80 = 9,782.60 : x
  2. Step 2: Convert to fraction form
    17,740.56/24,481.80 = 9,782.60/x
  3. Step 3: Cross multiply
    17,740.56x = 24,481.80 × 9,782.60
  4. Step 4: Simplify right side
    17,740.56x = 239,495,656.68
  5. Step 5: Solve for x
    x = 239,495,656.68/17,740.56
  6. Step 6: Final answer
    x = 13,499.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.