Home / 19,078.75-26,330.30-10,696.87

Finding the Fourth Proportional to 19,078.75, 26,330.30 and 10,696.87

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Solution

The fourth proportional to 19,078.75, 26,330.30 and 10,696.87 is: 14,762.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,078.75 : 26,330.30 = 10,696.87 : x
  2. Step 2: Convert to fraction form
    19,078.75/26,330.30 = 10,696.87/x
  3. Step 3: Cross multiply
    19,078.75x = 26,330.30 × 10,696.87
  4. Step 4: Simplify right side
    19,078.75x = 281,651,796.16
  5. Step 5: Solve for x
    x = 281,651,796.16/19,078.75
  6. Step 6: Final answer
    x = 14,762.59

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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.