Home / 19,652.19-27,118.66-11,154.49

Finding the Fourth Proportional to 19,652.19, 27,118.66 and 11,154.49

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Solution

The fourth proportional to 19,652.19, 27,118.66 and 11,154.49 is: 15,392.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,652.19 : 27,118.66 = 11,154.49 : x
  2. Step 2: Convert to fraction form
    19,652.19/27,118.66 = 11,154.49/x
  3. Step 3: Cross multiply
    19,652.19x = 27,118.66 × 11,154.49
  4. Step 4: Simplify right side
    19,652.19x = 302,494,821.78
  5. Step 5: Solve for x
    x = 302,494,821.78/19,652.19
  6. Step 6: Final answer
    x = 15,392.42

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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.