Home / 14,675.72-20,228.82-12,018.44

Finding the Fourth Proportional to 14,675.72, 20,228.82 and 12,018.44

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Solution

The fourth proportional to 14,675.72, 20,228.82 and 12,018.44 is: 16,566.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,675.72 : 20,228.82 = 12,018.44 : x
  2. Step 2: Convert to fraction form
    14,675.72/20,228.82 = 12,018.44/x
  3. Step 3: Cross multiply
    14,675.72x = 20,228.82 × 12,018.44
  4. Step 4: Simplify right side
    14,675.72x = 243,118,859.44
  5. Step 5: Solve for x
    x = 243,118,859.44/14,675.72
  6. Step 6: Final answer
    x = 16,566.06

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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.