Home / 14,106.33-21,160.08-11,636.55

Finding the Fourth Proportional to 14,106.33, 21,160.08 and 11,636.55

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Solution

The fourth proportional to 14,106.33, 21,160.08 and 11,636.55 is: 17,455.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,106.33 : 21,160.08 = 11,636.55 : x
  2. Step 2: Convert to fraction form
    14,106.33/21,160.08 = 11,636.55/x
  3. Step 3: Cross multiply
    14,106.33x = 21,160.08 × 11,636.55
  4. Step 4: Simplify right side
    14,106.33x = 246,230,328.92
  5. Step 5: Solve for x
    x = 246,230,328.92/14,106.33
  6. Step 6: Final answer
    x = 17,455.31

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1.5x scale

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.