Home / 14,554.60-21,840.37-6,120.49

Finding the Fourth Proportional to 14,554.60, 21,840.37 and 6,120.49

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Solution

The fourth proportional to 14,554.60, 21,840.37 and 6,120.49 is: 9,184.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,554.60 : 21,840.37 = 6,120.49 : x
  2. Step 2: Convert to fraction form
    14,554.60/21,840.37 = 6,120.49/x
  3. Step 3: Cross multiply
    14,554.60x = 21,840.37 × 6,120.49
  4. Step 4: Simplify right side
    14,554.60x = 133,673,766.18
  5. Step 5: Solve for x
    x = 133,673,766.18/14,554.60
  6. Step 6: Final answer
    x = 9,184.30

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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.