Home / 14,408.08-21,612.12-11,125.96

Finding the Fourth Proportional to 14,408.08, 21,612.12 and 11,125.96

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Solution

The fourth proportional to 14,408.08, 21,612.12 and 11,125.96 is: 16,688.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,408.08 : 21,612.12 = 11,125.96 : x
  2. Step 2: Convert to fraction form
    14,408.08/21,612.12 = 11,125.96/x
  3. Step 3: Cross multiply
    14,408.08x = 21,612.12 × 11,125.96
  4. Step 4: Simplify right side
    14,408.08x = 240,455,582.64
  5. Step 5: Solve for x
    x = 240,455,582.64/14,408.08
  6. Step 6: Final answer
    x = 16,688.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.