Home / 15,945.86-23,919.78-4,853.36

Finding the Fourth Proportional to 15,945.86, 23,919.78 and 4,853.36

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Solution

The fourth proportional to 15,945.86, 23,919.78 and 4,853.36 is: 7,280.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,945.86 : 23,919.78 = 4,853.36 : x
  2. Step 2: Convert to fraction form
    15,945.86/23,919.78 = 4,853.36/x
  3. Step 3: Cross multiply
    15,945.86x = 23,919.78 × 4,853.36
  4. Step 4: Simplify right side
    15,945.86x = 116,091,303.46
  5. Step 5: Solve for x
    x = 116,091,303.46/15,945.86
  6. Step 6: Final answer
    x = 7,280.34

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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.