Home / 19,944.36-29,916.54-5,152.14

Finding the Fourth Proportional to 19,944.36, 29,916.54 and 5,152.14

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Solution

The fourth proportional to 19,944.36, 29,916.54 and 5,152.14 is: 7,728.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,944.36 : 29,916.54 = 5,152.14 : x
  2. Step 2: Convert to fraction form
    19,944.36/29,916.54 = 5,152.14/x
  3. Step 3: Cross multiply
    19,944.36x = 29,916.54 × 5,152.14
  4. Step 4: Simplify right side
    19,944.36x = 154,134,202.40
  5. Step 5: Solve for x
    x = 154,134,202.40/19,944.36
  6. Step 6: Final answer
    x = 7,728.21

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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.