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Finding the Fourth Proportional to 19,336.88, 26,693.88 and 14,558.72

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Solution

The fourth proportional to 19,336.88, 26,693.88 and 14,558.72 is: 20,097.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,336.88 : 26,693.88 = 14,558.72 : x
  2. Step 2: Convert to fraction form
    19,336.88/26,693.88 = 14,558.72/x
  3. Step 3: Cross multiply
    19,336.88x = 26,693.88 × 14,558.72
  4. Step 4: Simplify right side
    19,336.88x = 388,628,724.63
  5. Step 5: Solve for x
    x = 388,628,724.63/19,336.88
  6. Step 6: Final answer
    x = 20,097.80

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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.