Home / 16,622.66-22,917.21-13,432.34

Finding the Fourth Proportional to 16,622.66, 22,917.21 and 13,432.34

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Solution

The fourth proportional to 16,622.66, 22,917.21 and 13,432.34 is: 18,518.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,622.66 : 22,917.21 = 13,432.34 : x
  2. Step 2: Convert to fraction form
    16,622.66/22,917.21 = 13,432.34/x
  3. Step 3: Cross multiply
    16,622.66x = 22,917.21 × 13,432.34
  4. Step 4: Simplify right side
    16,622.66x = 307,831,756.57
  5. Step 5: Solve for x
    x = 307,831,756.57/16,622.66
  6. Step 6: Final answer
    x = 18,518.80

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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.