Home / 19,621.04-27,076.89-10,668.54

Finding the Fourth Proportional to 19,621.04, 27,076.89 and 10,668.54

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Solution

The fourth proportional to 19,621.04, 27,076.89 and 10,668.54 is: 14,722.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,621.04 : 27,076.89 = 10,668.54 : x
  2. Step 2: Convert to fraction form
    19,621.04/27,076.89 = 10,668.54/x
  3. Step 3: Cross multiply
    19,621.04x = 27,076.89 × 10,668.54
  4. Step 4: Simplify right side
    19,621.04x = 288,871,025.59
  5. Step 5: Solve for x
    x = 288,871,025.59/19,621.04
  6. Step 6: Final answer
    x = 14,722.52

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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.