Home / 19,661.82-27,133.63-10,709.33

Finding the Fourth Proportional to 19,661.82, 27,133.63 and 10,709.33

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Solution

The fourth proportional to 19,661.82, 27,133.63 and 10,709.33 is: 14,779.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,661.82 : 27,133.63 = 10,709.33 : x
  2. Step 2: Convert to fraction form
    19,661.82/27,133.63 = 10,709.33/x
  3. Step 3: Cross multiply
    19,661.82x = 27,133.63 × 10,709.33
  4. Step 4: Simplify right side
    19,661.82x = 290,583,048.19
  5. Step 5: Solve for x
    x = 290,583,048.19/19,661.82
  6. Step 6: Final answer
    x = 14,779.05

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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.