Home / 19,191.11-26,483.79-11,126.33

Finding the Fourth Proportional to 19,191.11, 26,483.79 and 11,126.33

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Solution

The fourth proportional to 19,191.11, 26,483.79 and 11,126.33 is: 15,354.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,191.11 : 26,483.79 = 11,126.33 : x
  2. Step 2: Convert to fraction form
    19,191.11/26,483.79 = 11,126.33/x
  3. Step 3: Cross multiply
    19,191.11x = 26,483.79 × 11,126.33
  4. Step 4: Simplify right side
    19,191.11x = 294,667,482.20
  5. Step 5: Solve for x
    x = 294,667,482.20/19,191.11
  6. Step 6: Final answer
    x = 15,354.37

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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.