Home / 15,813.02-23,723.63-8,411.39

Finding the Fourth Proportional to 15,813.02, 23,723.63 and 8,411.39

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Solution

The fourth proportional to 15,813.02, 23,723.63 and 8,411.39 is: 12,619.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,813.02 : 23,723.63 = 8,411.39 : x
  2. Step 2: Convert to fraction form
    15,813.02/23,723.63 = 8,411.39/x
  3. Step 3: Cross multiply
    15,813.02x = 23,723.63 × 8,411.39
  4. Step 4: Simplify right side
    15,813.02x = 199,548,704.15
  5. Step 5: Solve for x
    x = 199,548,704.15/15,813.02
  6. Step 6: Final answer
    x = 12,619.27

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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.