Home / 15,511.59-23,271.02-4,418.43

Finding the Fourth Proportional to 15,511.59, 23,271.02 and 4,418.43

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Solution

The fourth proportional to 15,511.59, 23,271.02 and 4,418.43 is: 6,628.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,511.59 : 23,271.02 = 4,418.43 : x
  2. Step 2: Convert to fraction form
    15,511.59/23,271.02 = 4,418.43/x
  3. Step 3: Cross multiply
    15,511.59x = 23,271.02 × 4,418.43
  4. Step 4: Simplify right side
    15,511.59x = 102,821,350.81
  5. Step 5: Solve for x
    x = 102,821,350.81/15,511.59
  6. Step 6: Final answer
    x = 6,628.68

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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.