Home / 19,383.96-29,066.58-11,590.68

Finding the Fourth Proportional to 19,383.96, 29,066.58 and 11,590.68

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Solution

The fourth proportional to 19,383.96, 29,066.58 and 11,590.68 is: 17,380.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,383.96 : 29,066.58 = 11,590.68 : x
  2. Step 2: Convert to fraction form
    19,383.96/29,066.58 = 11,590.68/x
  3. Step 3: Cross multiply
    19,383.96x = 29,066.58 × 11,590.68
  4. Step 4: Simplify right side
    19,383.96x = 336,901,427.47
  5. Step 5: Solve for x
    x = 336,901,427.47/19,383.96
  6. Step 6: Final answer
    x = 17,380.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.