Home / 14,492.08-21,738.12-7,914.68

Finding the Fourth Proportional to 14,492.08, 21,738.12 and 7,914.68

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Solution

The fourth proportional to 14,492.08, 21,738.12 and 7,914.68 is: 11,872.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,492.08 : 21,738.12 = 7,914.68 : x
  2. Step 2: Convert to fraction form
    14,492.08/21,738.12 = 7,914.68/x
  3. Step 3: Cross multiply
    14,492.08x = 21,738.12 × 7,914.68
  4. Step 4: Simplify right side
    14,492.08x = 172,050,263.60
  5. Step 5: Solve for x
    x = 172,050,263.60/14,492.08
  6. Step 6: Final answer
    x = 11,872.02

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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.