Home / 19,489.04-26,895.52-11,105.04

Finding the Fourth Proportional to 19,489.04, 26,895.52 and 11,105.04

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Solution

The fourth proportional to 19,489.04, 26,895.52 and 11,105.04 is: 15,325.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,489.04 : 26,895.52 = 11,105.04 : x
  2. Step 2: Convert to fraction form
    19,489.04/26,895.52 = 11,105.04/x
  3. Step 3: Cross multiply
    19,489.04x = 26,895.52 × 11,105.04
  4. Step 4: Simplify right side
    19,489.04x = 298,675,825.42
  5. Step 5: Solve for x
    x = 298,675,825.42/19,489.04
  6. Step 6: Final answer
    x = 15,325.32

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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.