Home / 19,857.51-29,800.61-11,526.41

Finding the Fourth Proportional to 19,857.51, 29,800.61 and 11,526.41

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Solution

The fourth proportional to 19,857.51, 29,800.61 and 11,526.41 is: 17,297.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,857.51 : 29,800.61 = 11,526.41 : x
  2. Step 2: Convert to fraction form
    19,857.51/29,800.61 = 11,526.41/x
  3. Step 3: Cross multiply
    19,857.51x = 29,800.61 × 11,526.41
  4. Step 4: Simplify right side
    19,857.51x = 343,494,025.39
  5. Step 5: Solve for x
    x = 343,494,025.39/19,857.51
  6. Step 6: Final answer
    x = 17,297.94

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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.