Home / 19,659.29-27,130.96-14,805.33

Finding the Fourth Proportional to 19,659.29, 27,130.96 and 14,805.33

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Solution

The fourth proportional to 19,659.29, 27,130.96 and 14,805.33 is: 20,432.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,659.29 : 27,130.96 = 14,805.33 : x
  2. Step 2: Convert to fraction form
    19,659.29/27,130.96 = 14,805.33/x
  3. Step 3: Cross multiply
    19,659.29x = 27,130.96 × 14,805.33
  4. Step 4: Simplify right side
    19,659.29x = 401,682,816.02
  5. Step 5: Solve for x
    x = 401,682,816.02/19,659.29
  6. Step 6: Final answer
    x = 20,432.21

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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.