Home / 16,858.22-23,264.19-9,688.50

Finding the Fourth Proportional to 16,858.22, 23,264.19 and 9,688.50

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Solution

The fourth proportional to 16,858.22, 23,264.19 and 9,688.50 is: 13,370.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,858.22 : 23,264.19 = 9,688.50 : x
  2. Step 2: Convert to fraction form
    16,858.22/23,264.19 = 9,688.50/x
  3. Step 3: Cross multiply
    16,858.22x = 23,264.19 × 9,688.50
  4. Step 4: Simplify right side
    16,858.22x = 225,395,104.82
  5. Step 5: Solve for x
    x = 225,395,104.82/16,858.22
  6. Step 6: Final answer
    x = 13,370.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.