Home / 19,495.06-26,901.66-11,111.56

Finding the Fourth Proportional to 19,495.06, 26,901.66 and 11,111.56

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Solution

The fourth proportional to 19,495.06, 26,901.66 and 11,111.56 is: 15,333.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,495.06 : 26,901.66 = 11,111.56 : x
  2. Step 2: Convert to fraction form
    19,495.06/26,901.66 = 11,111.56/x
  3. Step 3: Cross multiply
    19,495.06x = 26,901.66 × 11,111.56
  4. Step 4: Simplify right side
    19,495.06x = 298,919,409.19
  5. Step 5: Solve for x
    x = 298,919,409.19/19,495.06
  6. Step 6: Final answer
    x = 15,333.08

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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.