Home / 19,837.84-27,374.48-11,338.28

Finding the Fourth Proportional to 19,837.84, 27,374.48 and 11,338.28

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Solution

The fourth proportional to 19,837.84, 27,374.48 and 11,338.28 is: 15,645.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,837.84 : 27,374.48 = 11,338.28 : x
  2. Step 2: Convert to fraction form
    19,837.84/27,374.48 = 11,338.28/x
  3. Step 3: Cross multiply
    19,837.84x = 27,374.48 × 11,338.28
  4. Step 4: Simplify right side
    19,837.84x = 310,379,325.53
  5. Step 5: Solve for x
    x = 310,379,325.53/19,837.84
  6. Step 6: Final answer
    x = 15,645.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.