Home / 19,581.96-27,022.80-11,085.69

Finding the Fourth Proportional to 19,581.96, 27,022.80 and 11,085.69

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Solution

The fourth proportional to 19,581.96, 27,022.80 and 11,085.69 is: 15,298.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,581.96 : 27,022.80 = 11,085.69 : x
  2. Step 2: Convert to fraction form
    19,581.96/27,022.80 = 11,085.69/x
  3. Step 3: Cross multiply
    19,581.96x = 27,022.80 × 11,085.69
  4. Step 4: Simplify right side
    19,581.96x = 299,566,383.73
  5. Step 5: Solve for x
    x = 299,566,383.73/19,581.96
  6. Step 6: Final answer
    x = 15,298.08

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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.