Home / 19,409.64-26,781.93-11,450.76

Finding the Fourth Proportional to 19,409.64, 26,781.93 and 11,450.76

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Solution

The fourth proportional to 19,409.64, 26,781.93 and 11,450.76 is: 15,800.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,409.64 : 26,781.93 = 11,450.76 : x
  2. Step 2: Convert to fraction form
    19,409.64/26,781.93 = 11,450.76/x
  3. Step 3: Cross multiply
    19,409.64x = 26,781.93 × 11,450.76
  4. Step 4: Simplify right side
    19,409.64x = 306,673,452.77
  5. Step 5: Solve for x
    x = 306,673,452.77/19,409.64
  6. Step 6: Final answer
    x = 15,800.06

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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.