Home / 19,782.82-27,295.86-11,823.76

Finding the Fourth Proportional to 19,782.82, 27,295.86 and 11,823.76

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Solution

The fourth proportional to 19,782.82, 27,295.86 and 11,823.76 is: 16,314.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,782.82 : 27,295.86 = 11,823.76 : x
  2. Step 2: Convert to fraction form
    19,782.82/27,295.86 = 11,823.76/x
  3. Step 3: Cross multiply
    19,782.82x = 27,295.86 × 11,823.76
  4. Step 4: Simplify right side
    19,782.82x = 322,739,697.63
  5. Step 5: Solve for x
    x = 322,739,697.63/19,782.82
  6. Step 6: Final answer
    x = 16,314.14

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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.