Home / 19,394.15-26,765.48-11,330.40

Finding the Fourth Proportional to 19,394.15, 26,765.48 and 11,330.40

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Solution

The fourth proportional to 19,394.15, 26,765.48 and 11,330.40 is: 15,636.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,394.15 : 26,765.48 = 11,330.40 : x
  2. Step 2: Convert to fraction form
    19,394.15/26,765.48 = 11,330.40/x
  3. Step 3: Cross multiply
    19,394.15x = 26,765.48 × 11,330.40
  4. Step 4: Simplify right side
    19,394.15x = 303,263,622.92
  5. Step 5: Solve for x
    x = 303,263,622.92/19,394.15
  6. Step 6: Final answer
    x = 15,636.86

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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.