Home / 19,619.22-27,074.34-10,666.97

Finding the Fourth Proportional to 19,619.22, 27,074.34 and 10,666.97

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Solution

The fourth proportional to 19,619.22, 27,074.34 and 10,666.97 is: 14,720.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,619.22 : 27,074.34 = 10,666.97 : x
  2. Step 2: Convert to fraction form
    19,619.22/27,074.34 = 10,666.97/x
  3. Step 3: Cross multiply
    19,619.22x = 27,074.34 × 10,666.97
  4. Step 4: Simplify right side
    19,619.22x = 288,801,037.18
  5. Step 5: Solve for x
    x = 288,801,037.18/19,619.22
  6. Step 6: Final answer
    x = 14,720.31

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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.