Home / 19,977.66-27,572.54-19,091.93

Finding the Fourth Proportional to 19,977.66, 27,572.54 and 19,091.93

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Solution

The fourth proportional to 19,977.66, 27,572.54 and 19,091.93 is: 26,350.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,977.66 : 27,572.54 = 19,091.93 : x
  2. Step 2: Convert to fraction form
    19,977.66/27,572.54 = 19,091.93/x
  3. Step 3: Cross multiply
    19,977.66x = 27,572.54 × 19,091.93
  4. Step 4: Simplify right side
    19,977.66x = 526,412,770.28
  5. Step 5: Solve for x
    x = 526,412,770.28/19,977.66
  6. Step 6: Final answer
    x = 26,350.07

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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.