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Finding the Fourth Proportional to 19.33, 26.62 and 19.14

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Solution

The fourth proportional to 19.33, 26.62 and 19.14 is: 26.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19.33 : 26.62 = 19.14 : x
  2. Step 2: Convert to fraction form
    19.33/26.62 = 19.14/x
  3. Step 3: Cross multiply
    19.33x = 26.62 × 19.14
  4. Step 4: Simplify right side
    19.33x = 509.51
  5. Step 5: Solve for x
    x = 509.51/19.33
  6. Step 6: Final answer
    x = 26.36

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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.