Home / 19,330.54-26,684.31-13,051.42

Finding the Fourth Proportional to 19,330.54, 26,684.31 and 13,051.42

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Solution

The fourth proportional to 19,330.54, 26,684.31 and 13,051.42 is: 18,016.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,330.54 : 26,684.31 = 13,051.42 : x
  2. Step 2: Convert to fraction form
    19,330.54/26,684.31 = 13,051.42/x
  3. Step 3: Cross multiply
    19,330.54x = 26,684.31 × 13,051.42
  4. Step 4: Simplify right side
    19,330.54x = 348,268,137.22
  5. Step 5: Solve for x
    x = 348,268,137.22/19,330.54
  6. Step 6: Final answer
    x = 18,016.47

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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.