Home / 19,420.37-26,799.85-10,922.49

Finding the Fourth Proportional to 19,420.37, 26,799.85 and 10,922.49

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Solution

The fourth proportional to 19,420.37, 26,799.85 and 10,922.49 is: 15,072.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,420.37 : 26,799.85 = 10,922.49 : x
  2. Step 2: Convert to fraction form
    19,420.37/26,799.85 = 10,922.49/x
  3. Step 3: Cross multiply
    19,420.37x = 26,799.85 × 10,922.49
  4. Step 4: Simplify right side
    19,420.37x = 292,721,093.63
  5. Step 5: Solve for x
    x = 292,721,093.63/19,420.37
  6. Step 6: Final answer
    x = 15,072.89

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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.