Home / 19,356.32-29,034.41-5,316.36

Finding the Fourth Proportional to 19,356.32, 29,034.41 and 5,316.36

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Solution

The fourth proportional to 19,356.32, 29,034.41 and 5,316.36 is: 7,974.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,356.32 : 29,034.41 = 5,316.36 : x
  2. Step 2: Convert to fraction form
    19,356.32/29,034.41 = 5,316.36/x
  3. Step 3: Cross multiply
    19,356.32x = 29,034.41 × 5,316.36
  4. Step 4: Simplify right side
    19,356.32x = 154,357,375.95
  5. Step 5: Solve for x
    x = 154,357,375.95/19,356.32
  6. Step 6: Final answer
    x = 7,974.52

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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.