Home / 14,628.06-20,188.44-14,168.79

Finding the Fourth Proportional to 14,628.06, 20,188.44 and 14,168.79

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Solution

The fourth proportional to 14,628.06, 20,188.44 and 14,168.79 is: 19,554.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,628.06 : 20,188.44 = 14,168.79 : x
  2. Step 2: Convert to fraction form
    14,628.06/20,188.44 = 14,168.79/x
  3. Step 3: Cross multiply
    14,628.06x = 20,188.44 × 14,168.79
  4. Step 4: Simplify right side
    14,628.06x = 286,045,766.79
  5. Step 5: Solve for x
    x = 286,045,766.79/14,628.06
  6. Step 6: Final answer
    x = 19,554.59

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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.