Home / 19,623.70-29,368.35-11,838.10

Finding the Fourth Proportional to 19,623.70, 29,368.35 and 11,838.10

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Solution

The fourth proportional to 19,623.70, 29,368.35 and 11,838.10 is: 17,716.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,623.70 : 29,368.35 = 11,838.10 : x
  2. Step 2: Convert to fraction form
    19,623.70/29,368.35 = 11,838.10/x
  3. Step 3: Cross multiply
    19,623.70x = 29,368.35 × 11,838.10
  4. Step 4: Simplify right side
    19,623.70x = 347,665,464.14
  5. Step 5: Solve for x
    x = 347,665,464.14/19,623.70
  6. Step 6: Final answer
    x = 17,716.61

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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.