Home / 18,250.22-25,185.26-9,866.72

Finding the Fourth Proportional to 18,250.22, 25,185.26 and 9,866.72

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Solution

The fourth proportional to 18,250.22, 25,185.26 and 9,866.72 is: 13,616.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,250.22 : 25,185.26 = 9,866.72 : x
  2. Step 2: Convert to fraction form
    18,250.22/25,185.26 = 9,866.72/x
  3. Step 3: Cross multiply
    18,250.22x = 25,185.26 × 9,866.72
  4. Step 4: Simplify right side
    18,250.22x = 248,495,908.55
  5. Step 5: Solve for x
    x = 248,495,908.55/18,250.22
  6. Step 6: Final answer
    x = 13,616.05

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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.