Home / 19,437.78-26,823.54-10,940.34

Finding the Fourth Proportional to 19,437.78, 26,823.54 and 10,940.34

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Solution

The fourth proportional to 19,437.78, 26,823.54 and 10,940.34 is: 15,097.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,437.78 : 26,823.54 = 10,940.34 : x
  2. Step 2: Convert to fraction form
    19,437.78/26,823.54 = 10,940.34/x
  3. Step 3: Cross multiply
    19,437.78x = 26,823.54 × 10,940.34
  4. Step 4: Simplify right side
    19,437.78x = 293,458,647.60
  5. Step 5: Solve for x
    x = 293,458,647.60/19,437.78
  6. Step 6: Final answer
    x = 15,097.33

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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.