Home / 17,847.12-24,629.25-9,889.50

Finding the Fourth Proportional to 17,847.12, 24,629.25 and 9,889.50

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Solution

The fourth proportional to 17,847.12, 24,629.25 and 9,889.50 is: 13,647.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,847.12 : 24,629.25 = 9,889.50 : x
  2. Step 2: Convert to fraction form
    17,847.12/24,629.25 = 9,889.50/x
  3. Step 3: Cross multiply
    17,847.12x = 24,629.25 × 9,889.50
  4. Step 4: Simplify right side
    17,847.12x = 243,570,967.88
  5. Step 5: Solve for x
    x = 243,570,967.88/17,847.12
  6. Step 6: Final answer
    x = 13,647.63

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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.