Home / 19,933.12-27,504.81-11,435.61

Finding the Fourth Proportional to 19,933.12, 27,504.81 and 11,435.61

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Solution

The fourth proportional to 19,933.12, 27,504.81 and 11,435.61 is: 15,779.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,933.12 : 27,504.81 = 11,435.61 : x
  2. Step 2: Convert to fraction form
    19,933.12/27,504.81 = 11,435.61/x
  3. Step 3: Cross multiply
    19,933.12x = 27,504.81 × 11,435.61
  4. Step 4: Simplify right side
    19,933.12x = 314,534,280.28
  5. Step 5: Solve for x
    x = 314,534,280.28/19,933.12
  6. Step 6: Final answer
    x = 15,779.48

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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.