Home / 19,824.07-27,355.30-11,866.13

Finding the Fourth Proportional to 19,824.07, 27,355.30 and 11,866.13

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Solution

The fourth proportional to 19,824.07, 27,355.30 and 11,866.13 is: 16,374.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,824.07 : 27,355.30 = 11,866.13 : x
  2. Step 2: Convert to fraction form
    19,824.07/27,355.30 = 11,866.13/x
  3. Step 3: Cross multiply
    19,824.07x = 27,355.30 × 11,866.13
  4. Step 4: Simplify right side
    19,824.07x = 324,601,409.21
  5. Step 5: Solve for x
    x = 324,601,409.21/19,824.07
  6. Step 6: Final answer
    x = 16,374.11

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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.