Home / 19,389.75-26,893.84-18,602.43

Finding the Fourth Proportional to 19,389.75, 26,893.84 and 18,602.43

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Solution

The fourth proportional to 19,389.75, 26,893.84 and 18,602.43 is: 25,801.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,389.75 : 26,893.84 = 18,602.43 : x
  2. Step 2: Convert to fraction form
    19,389.75/26,893.84 = 18,602.43/x
  3. Step 3: Cross multiply
    19,389.75x = 26,893.84 × 18,602.43
  4. Step 4: Simplify right side
    19,389.75x = 500,290,776.03
  5. Step 5: Solve for x
    x = 500,290,776.03/19,389.75
  6. Step 6: Final answer
    x = 25,801.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.