Home / 14,911.48-20,577.94-8,197.24

Finding the Fourth Proportional to 14,911.48, 20,577.94 and 8,197.24

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Solution

The fourth proportional to 14,911.48, 20,577.94 and 8,197.24 is: 11,312.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,911.48 : 20,577.94 = 8,197.24 : x
  2. Step 2: Convert to fraction form
    14,911.48/20,577.94 = 8,197.24/x
  3. Step 3: Cross multiply
    14,911.48x = 20,577.94 × 8,197.24
  4. Step 4: Simplify right side
    14,911.48x = 168,682,312.89
  5. Step 5: Solve for x
    x = 168,682,312.89/14,911.48
  6. Step 6: Final answer
    x = 11,312.24

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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.