Home / 19,033.98-26,263.40-11,078.76

Finding the Fourth Proportional to 19,033.98, 26,263.40 and 11,078.76

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Solution

The fourth proportional to 19,033.98, 26,263.40 and 11,078.76 is: 15,286.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,033.98 : 26,263.40 = 11,078.76 : x
  2. Step 2: Convert to fraction form
    19,033.98/26,263.40 = 11,078.76/x
  3. Step 3: Cross multiply
    19,033.98x = 26,263.40 × 11,078.76
  4. Step 4: Simplify right side
    19,033.98x = 290,965,905.38
  5. Step 5: Solve for x
    x = 290,965,905.38/19,033.98
  6. Step 6: Final answer
    x = 15,286.66

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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.