Home / 16,455.22-22,706.67-10,078.90

Finding the Fourth Proportional to 16,455.22, 22,706.67 and 10,078.90

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Solution

The fourth proportional to 16,455.22, 22,706.67 and 10,078.90 is: 13,907.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,455.22 : 22,706.67 = 10,078.90 : x
  2. Step 2: Convert to fraction form
    16,455.22/22,706.67 = 10,078.90/x
  3. Step 3: Cross multiply
    16,455.22x = 22,706.67 × 10,078.90
  4. Step 4: Simplify right side
    16,455.22x = 228,858,256.26
  5. Step 5: Solve for x
    x = 228,858,256.26/16,455.22
  6. Step 6: Final answer
    x = 13,907.94

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1.5x scale

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.