Home / 18,448.08-25,458.48-10,489.83

Finding the Fourth Proportional to 18,448.08, 25,458.48 and 10,489.83

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Solution

The fourth proportional to 18,448.08, 25,458.48 and 10,489.83 is: 14,476.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,448.08 : 25,458.48 = 10,489.83 : x
  2. Step 2: Convert to fraction form
    18,448.08/25,458.48 = 10,489.83/x
  3. Step 3: Cross multiply
    18,448.08x = 25,458.48 × 10,489.83
  4. Step 4: Simplify right side
    18,448.08x = 267,055,127.26
  5. Step 5: Solve for x
    x = 267,055,127.26/18,448.08
  6. Step 6: Final answer
    x = 14,476.04

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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.