Home / 15,719.32-23,583.84-5,338.36

Finding the Fourth Proportional to 15,719.32, 23,583.84 and 5,338.36

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Solution

The fourth proportional to 15,719.32, 23,583.84 and 5,338.36 is: 8,009.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,719.32 : 23,583.84 = 5,338.36 : x
  2. Step 2: Convert to fraction form
    15,719.32/23,583.84 = 5,338.36/x
  3. Step 3: Cross multiply
    15,719.32x = 23,583.84 × 5,338.36
  4. Step 4: Simplify right side
    15,719.32x = 125,899,028.10
  5. Step 5: Solve for x
    x = 125,899,028.10/15,719.32
  6. Step 6: Final answer
    x = 8,009.19

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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.