Home / 22,035.08-32,989.64-20,638.44

Finding the Fourth Proportional to 22,035.08, 32,989.64 and 20,638.44

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Solution

The fourth proportional to 22,035.08, 32,989.64 and 20,638.44 is: 30,898.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,035.08 : 32,989.64 = 20,638.44 : x
  2. Step 2: Convert to fraction form
    22,035.08/32,989.64 = 20,638.44/x
  3. Step 3: Cross multiply
    22,035.08x = 32,989.64 × 20,638.44
  4. Step 4: Simplify right side
    22,035.08x = 680,854,705.76
  5. Step 5: Solve for x
    x = 680,854,705.76/22,035.08
  6. Step 6: Final answer
    x = 30,898.67

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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.