Home / 13,796.26-19,039.29-7,828.18

Finding the Fourth Proportional to 13,796.26, 19,039.29 and 7,828.18

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Solution

The fourth proportional to 13,796.26, 19,039.29 and 7,828.18 is: 10,803.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,796.26 : 19,039.29 = 7,828.18 : x
  2. Step 2: Convert to fraction form
    13,796.26/19,039.29 = 7,828.18/x
  3. Step 3: Cross multiply
    13,796.26x = 19,039.29 × 7,828.18
  4. Step 4: Simplify right side
    13,796.26x = 149,042,989.19
  5. Step 5: Solve for x
    x = 149,042,989.19/13,796.26
  6. Step 6: Final answer
    x = 10,803.14

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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.