Home / 15,913.77-23,871.86-4,821.37

Finding the Fourth Proportional to 15,913.77, 23,871.86 and 4,821.37

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Solution

The fourth proportional to 15,913.77, 23,871.86 and 4,821.37 is: 7,232.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,913.77 : 23,871.86 = 4,821.37 : x
  2. Step 2: Convert to fraction form
    15,913.77/23,871.86 = 4,821.37/x
  3. Step 3: Cross multiply
    15,913.77x = 23,871.86 × 4,821.37
  4. Step 4: Simplify right side
    15,913.77x = 115,095,165.34
  5. Step 5: Solve for x
    x = 115,095,165.34/15,913.77
  6. Step 6: Final answer
    x = 7,232.43

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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.