Home / 19,621.24-27,077.37-10,668.71

Finding the Fourth Proportional to 19,621.24, 27,077.37 and 10,668.71

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Solution

The fourth proportional to 19,621.24, 27,077.37 and 10,668.71 is: 14,722.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,621.24 : 27,077.37 = 10,668.71 : x
  2. Step 2: Convert to fraction form
    19,621.24/27,077.37 = 10,668.71/x
  3. Step 3: Cross multiply
    19,621.24x = 27,077.37 × 10,668.71
  4. Step 4: Simplify right side
    19,621.24x = 288,880,608.09
  5. Step 5: Solve for x
    x = 288,880,608.09/19,621.24
  6. Step 6: Final answer
    x = 14,722.85

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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.