Home / 19,383.82-26,752.61-11,834.55

Finding the Fourth Proportional to 19,383.82, 26,752.61 and 11,834.55

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Solution

The fourth proportional to 19,383.82, 26,752.61 and 11,834.55 is: 16,333.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,383.82 : 26,752.61 = 11,834.55 : x
  2. Step 2: Convert to fraction form
    19,383.82/26,752.61 = 11,834.55/x
  3. Step 3: Cross multiply
    19,383.82x = 26,752.61 × 11,834.55
  4. Step 4: Simplify right side
    19,383.82x = 316,605,130.26
  5. Step 5: Solve for x
    x = 316,605,130.26/19,383.82
  6. Step 6: Final answer
    x = 16,333.48

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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.