Home / 19,349.79-26,708.23-11,396.60

Finding the Fourth Proportional to 19,349.79, 26,708.23 and 11,396.60

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Solution

The fourth proportional to 19,349.79, 26,708.23 and 11,396.60 is: 15,730.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,349.79 : 26,708.23 = 11,396.60 : x
  2. Step 2: Convert to fraction form
    19,349.79/26,708.23 = 11,396.60/x
  3. Step 3: Cross multiply
    19,349.79x = 26,708.23 × 11,396.60
  4. Step 4: Simplify right side
    19,349.79x = 304,382,994.88
  5. Step 5: Solve for x
    x = 304,382,994.88/19,349.79
  6. Step 6: Final answer
    x = 15,730.56

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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.