Home / 19,640.49-29,465.34-6,492.84

Finding the Fourth Proportional to 19,640.49, 29,465.34 and 6,492.84

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Solution

The fourth proportional to 19,640.49, 29,465.34 and 6,492.84 is: 9,740.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,640.49 : 29,465.34 = 6,492.84 : x
  2. Step 2: Convert to fraction form
    19,640.49/29,465.34 = 6,492.84/x
  3. Step 3: Cross multiply
    19,640.49x = 29,465.34 × 6,492.84
  4. Step 4: Simplify right side
    19,640.49x = 191,313,738.17
  5. Step 5: Solve for x
    x = 191,313,738.17/19,640.49
  6. Step 6: Final answer
    x = 9,740.78

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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.