Home / 19,621.10-27,077.07-10,668.58

Finding the Fourth Proportional to 19,621.10, 27,077.07 and 10,668.58

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Solution

The fourth proportional to 19,621.10, 27,077.07 and 10,668.58 is: 14,722.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,621.10 : 27,077.07 = 10,668.58 : x
  2. Step 2: Convert to fraction form
    19,621.10/27,077.07 = 10,668.58/x
  3. Step 3: Cross multiply
    19,621.10x = 27,077.07 × 10,668.58
  4. Step 4: Simplify right side
    19,621.10x = 288,873,887.46
  5. Step 5: Solve for x
    x = 288,873,887.46/19,621.10
  6. Step 6: Final answer
    x = 14,722.61

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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.