Home / 19,518.12-26,933.44-11,022.31

Finding the Fourth Proportional to 19,518.12, 26,933.44 and 11,022.31

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Solution

The fourth proportional to 19,518.12, 26,933.44 and 11,022.31 is: 15,209.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,518.12 : 26,933.44 = 11,022.31 : x
  2. Step 2: Convert to fraction form
    19,518.12/26,933.44 = 11,022.31/x
  3. Step 3: Cross multiply
    19,518.12x = 26,933.44 × 11,022.31
  4. Step 4: Simplify right side
    19,518.12x = 296,868,535.27
  5. Step 5: Solve for x
    x = 296,868,535.27/19,518.12
  6. Step 6: Final answer
    x = 15,209.89

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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.