Home / 19,403.84-26,768.52-11,442.35

Finding the Fourth Proportional to 19,403.84, 26,768.52 and 11,442.35

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Solution

The fourth proportional to 19,403.84, 26,768.52 and 11,442.35 is: 15,785.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,403.84 : 26,768.52 = 11,442.35 : x
  2. Step 2: Convert to fraction form
    19,403.84/26,768.52 = 11,442.35/x
  3. Step 3: Cross multiply
    19,403.84x = 26,768.52 × 11,442.35
  4. Step 4: Simplify right side
    19,403.84x = 306,294,640.98
  5. Step 5: Solve for x
    x = 306,294,640.98/19,403.84
  6. Step 6: Final answer
    x = 15,785.26

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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.