Home / 19,396.32-26,766-11,012.64

Finding the Fourth Proportional to 19,396.32, 26,766 and 11,012.64

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Solution

The fourth proportional to 19,396.32, 26,766 and 11,012.64 is: 15,196.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,396.32 : 26,766 = 11,012.64 : x
  2. Step 2: Convert to fraction form
    19,396.32/26,766 = 11,012.64/x
  3. Step 3: Cross multiply
    19,396.32x = 26,766 × 11,012.64
  4. Step 4: Simplify right side
    19,396.32x = 294,764,322.24
  5. Step 5: Solve for x
    x = 294,764,322.24/19,396.32
  6. Step 6: Final answer
    x = 15,196.92

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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.