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Finding the Fourth Proportional to 19,503.16, 26,914.28 and 10,550.64

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Solution

The fourth proportional to 19,503.16, 26,914.28 and 10,550.64 is: 14,559.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,503.16 : 26,914.28 = 10,550.64 : x
  2. Step 2: Convert to fraction form
    19,503.16/26,914.28 = 10,550.64/x
  3. Step 3: Cross multiply
    19,503.16x = 26,914.28 × 10,550.64
  4. Step 4: Simplify right side
    19,503.16x = 283,962,879.14
  5. Step 5: Solve for x
    x = 283,962,879.14/19,503.16
  6. Step 6: Final answer
    x = 14,559.84

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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.