Home / 13,984.23-19,297.80-7,696.59

Finding the Fourth Proportional to 13,984.23, 19,297.80 and 7,696.59

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Solution

The fourth proportional to 13,984.23, 19,297.80 and 7,696.59 is: 10,621.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,984.23 : 19,297.80 = 7,696.59 : x
  2. Step 2: Convert to fraction form
    13,984.23/19,297.80 = 7,696.59/x
  3. Step 3: Cross multiply
    13,984.23x = 19,297.80 × 7,696.59
  4. Step 4: Simplify right side
    13,984.23x = 148,527,216.02
  5. Step 5: Solve for x
    x = 148,527,216.02/13,984.23
  6. Step 6: Final answer
    x = 10,621.05

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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.