Home / 19,619.24-27,074.61-10,666.71

Finding the Fourth Proportional to 19,619.24, 27,074.61 and 10,666.71

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Solution

The fourth proportional to 19,619.24, 27,074.61 and 10,666.71 is: 14,720.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,619.24 : 27,074.61 = 10,666.71 : x
  2. Step 2: Convert to fraction form
    19,619.24/27,074.61 = 10,666.71/x
  3. Step 3: Cross multiply
    19,619.24x = 27,074.61 × 10,666.71
  4. Step 4: Simplify right side
    19,619.24x = 288,797,013.23
  5. Step 5: Solve for x
    x = 288,797,013.23/19,619.24
  6. Step 6: Final answer
    x = 14,720.10

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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.