Home / 19,345.70-26,702.60-11,392.54

Finding the Fourth Proportional to 19,345.70, 26,702.60 and 11,392.54

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Solution

The fourth proportional to 19,345.70, 26,702.60 and 11,392.54 is: 15,724.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,345.70 : 26,702.60 = 11,392.54 : x
  2. Step 2: Convert to fraction form
    19,345.70/26,702.60 = 11,392.54/x
  3. Step 3: Cross multiply
    19,345.70x = 26,702.60 × 11,392.54
  4. Step 4: Simplify right side
    19,345.70x = 304,210,438.60
  5. Step 5: Solve for x
    x = 304,210,438.60/19,345.70
  6. Step 6: Final answer
    x = 15,724.96

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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.