Home / 19,619.22-27,074.52-10,666.71

Finding the Fourth Proportional to 19,619.22, 27,074.52 and 10,666.71

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Solution

The fourth proportional to 19,619.22, 27,074.52 and 10,666.71 is: 14,720.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,619.22 : 27,074.52 = 10,666.71 : x
  2. Step 2: Convert to fraction form
    19,619.22/27,074.52 = 10,666.71/x
  3. Step 3: Cross multiply
    19,619.22x = 27,074.52 × 10,666.71
  4. Step 4: Simplify right side
    19,619.22x = 288,796,053.23
  5. Step 5: Solve for x
    x = 288,796,053.23/19,619.22
  6. Step 6: Final answer
    x = 14,720.06

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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.