Home / 15,678.14-23,516.60-5,813.01

Finding the Fourth Proportional to 15,678.14, 23,516.60 and 5,813.01

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Solution

The fourth proportional to 15,678.14, 23,516.60 and 5,813.01 is: 8,719.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,678.14 : 23,516.60 = 5,813.01 : x
  2. Step 2: Convert to fraction form
    15,678.14/23,516.60 = 5,813.01/x
  3. Step 3: Cross multiply
    15,678.14x = 23,516.60 × 5,813.01
  4. Step 4: Simplify right side
    15,678.14x = 136,702,201.90
  5. Step 5: Solve for x
    x = 136,702,201.90/15,678.14
  6. Step 6: Final answer
    x = 8,719.29

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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.