Home / 19,400.45-29,102.94-6,922.25

Finding the Fourth Proportional to 19,400.45, 29,102.94 and 6,922.25

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Solution

The fourth proportional to 19,400.45, 29,102.94 and 6,922.25 is: 10,384.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,400.45 : 29,102.94 = 6,922.25 : x
  2. Step 2: Convert to fraction form
    19,400.45/29,102.94 = 6,922.25/x
  3. Step 3: Cross multiply
    19,400.45x = 29,102.94 × 6,922.25
  4. Step 4: Simplify right side
    19,400.45x = 201,457,680.90
  5. Step 5: Solve for x
    x = 201,457,680.90/19,400.45
  6. Step 6: Final answer
    x = 10,384.18

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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.