Home / 13,983.29-19,298.22-7,696.07

Finding the Fourth Proportional to 13,983.29, 19,298.22 and 7,696.07

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Solution

The fourth proportional to 13,983.29, 19,298.22 and 7,696.07 is: 10,621.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,983.29 : 19,298.22 = 7,696.07 : x
  2. Step 2: Convert to fraction form
    13,983.29/19,298.22 = 7,696.07/x
  3. Step 3: Cross multiply
    13,983.29x = 19,298.22 × 7,696.07
  4. Step 4: Simplify right side
    13,983.29x = 148,520,452.00
  5. Step 5: Solve for x
    x = 148,520,452.00/13,983.29
  6. Step 6: Final answer
    x = 10,621.28

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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.