Home / 14,511.48-20,026.08-8,223.72

Finding the Fourth Proportional to 14,511.48, 20,026.08 and 8,223.72

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Solution

The fourth proportional to 14,511.48, 20,026.08 and 8,223.72 is: 11,348.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,511.48 : 20,026.08 = 8,223.72 : x
  2. Step 2: Convert to fraction form
    14,511.48/20,026.08 = 8,223.72/x
  3. Step 3: Cross multiply
    14,511.48x = 20,026.08 × 8,223.72
  4. Step 4: Simplify right side
    14,511.48x = 164,688,874.62
  5. Step 5: Solve for x
    x = 164,688,874.62/14,511.48
  6. Step 6: Final answer
    x = 11,348.87

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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.