Home / 13,618.22-18,798.06-10,270.62

Finding the Fourth Proportional to 13,618.22, 18,798.06 and 10,270.62

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Solution

The fourth proportional to 13,618.22, 18,798.06 and 10,270.62 is: 14,177.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,618.22 : 18,798.06 = 10,270.62 : x
  2. Step 2: Convert to fraction form
    13,618.22/18,798.06 = 10,270.62/x
  3. Step 3: Cross multiply
    13,618.22x = 18,798.06 × 10,270.62
  4. Step 4: Simplify right side
    13,618.22x = 193,067,731.00
  5. Step 5: Solve for x
    x = 193,067,731.00/13,618.22
  6. Step 6: Final answer
    x = 14,177.16

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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.