Home / 20,994.96-31,492.41-14,401.17

Finding the Fourth Proportional to 20,994.96, 31,492.41 and 14,401.17

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Solution

The fourth proportional to 20,994.96, 31,492.41 and 14,401.17 is: 21,601.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,994.96 : 31,492.41 = 14,401.17 : x
  2. Step 2: Convert to fraction form
    20,994.96/31,492.41 = 14,401.17/x
  3. Step 3: Cross multiply
    20,994.96x = 31,492.41 × 14,401.17
  4. Step 4: Simplify right side
    20,994.96x = 453,527,550.12
  5. Step 5: Solve for x
    x = 453,527,550.12/20,994.96
  6. Step 6: Final answer
    x = 21,601.73

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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.