Home / 17,280.48-25,914.24-8,040

Finding the Fourth Proportional to 17,280.48, 25,914.24 and 8,040

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Solution

The fourth proportional to 17,280.48, 25,914.24 and 8,040 is: 12,056.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,280.48 : 25,914.24 = 8,040 : x
  2. Step 2: Convert to fraction form
    17,280.48/25,914.24 = 8,040/x
  3. Step 3: Cross multiply
    17,280.48x = 25,914.24 × 8,040
  4. Step 4: Simplify right side
    17,280.48x = 208,350,489.60
  5. Step 5: Solve for x
    x = 208,350,489.60/17,280.48
  6. Step 6: Final answer
    x = 12,056.99

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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.