Home / 19,179.06-26,461.52-11,112.18

Finding the Fourth Proportional to 19,179.06, 26,461.52 and 11,112.18

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Solution

The fourth proportional to 19,179.06, 26,461.52 and 11,112.18 is: 15,331.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,179.06 : 26,461.52 = 11,112.18 : x
  2. Step 2: Convert to fraction form
    19,179.06/26,461.52 = 11,112.18/x
  3. Step 3: Cross multiply
    19,179.06x = 26,461.52 × 11,112.18
  4. Step 4: Simplify right side
    19,179.06x = 294,045,117.75
  5. Step 5: Solve for x
    x = 294,045,117.75/19,179.06
  6. Step 6: Final answer
    x = 15,331.57

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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.