Home / 20,492.19-28,094.90-20,118.58

Finding the Fourth Proportional to 20,492.19, 28,094.90 and 20,118.58

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Solution

The fourth proportional to 20,492.19, 28,094.90 and 20,118.58 is: 27,582.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,492.19 : 28,094.90 = 20,118.58 : x
  2. Step 2: Convert to fraction form
    20,492.19/28,094.90 = 20,118.58/x
  3. Step 3: Cross multiply
    20,492.19x = 28,094.90 × 20,118.58
  4. Step 4: Simplify right side
    20,492.19x = 565,229,435.58
  5. Step 5: Solve for x
    x = 565,229,435.58/20,492.19
  6. Step 6: Final answer
    x = 27,582.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.