Home / 14,672.90-20,226.21-8,997.14

Finding the Fourth Proportional to 14,672.90, 20,226.21 and 8,997.14

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Solution

The fourth proportional to 14,672.90, 20,226.21 and 8,997.14 is: 12,402.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,672.90 : 20,226.21 = 8,997.14 : x
  2. Step 2: Convert to fraction form
    14,672.90/20,226.21 = 8,997.14/x
  3. Step 3: Cross multiply
    14,672.90x = 20,226.21 × 8,997.14
  4. Step 4: Simplify right side
    14,672.90x = 181,977,941.91
  5. Step 5: Solve for x
    x = 181,977,941.91/14,672.90
  6. Step 6: Final answer
    x = 12,402.32

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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.