Home / 20,588.48-30,853.92-11,228.48

Finding the Fourth Proportional to 20,588.48, 30,853.92 and 11,228.48

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Solution

The fourth proportional to 20,588.48, 30,853.92 and 11,228.48 is: 16,827.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,588.48 : 30,853.92 = 11,228.48 : x
  2. Step 2: Convert to fraction form
    20,588.48/30,853.92 = 11,228.48/x
  3. Step 3: Cross multiply
    20,588.48x = 30,853.92 × 11,228.48
  4. Step 4: Simplify right side
    20,588.48x = 346,442,623.64
  5. Step 5: Solve for x
    x = 346,442,623.64/20,588.48
  6. Step 6: Final answer
    x = 16,827.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.