Home / 19,390.57-26,760.50-10,893.26

Finding the Fourth Proportional to 19,390.57, 26,760.50 and 10,893.26

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Solution

The fourth proportional to 19,390.57, 26,760.50 and 10,893.26 is: 15,033.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,390.57 : 26,760.50 = 10,893.26 : x
  2. Step 2: Convert to fraction form
    19,390.57/26,760.50 = 10,893.26/x
  3. Step 3: Cross multiply
    19,390.57x = 26,760.50 × 10,893.26
  4. Step 4: Simplify right side
    19,390.57x = 291,509,084.23
  5. Step 5: Solve for x
    x = 291,509,084.23/19,390.57
  6. Step 6: Final answer
    x = 15,033.55

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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.