Home / 19,194.60-28,789.74-14,271.60

Finding the Fourth Proportional to 19,194.60, 28,789.74 and 14,271.60

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Solution

The fourth proportional to 19,194.60, 28,789.74 and 14,271.60 is: 21,405.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,194.60 : 28,789.74 = 14,271.60 : x
  2. Step 2: Convert to fraction form
    19,194.60/28,789.74 = 14,271.60/x
  3. Step 3: Cross multiply
    19,194.60x = 28,789.74 × 14,271.60
  4. Step 4: Simplify right side
    19,194.60x = 410,875,653.38
  5. Step 5: Solve for x
    x = 410,875,653.38/19,194.60
  6. Step 6: Final answer
    x = 21,405.79

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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.