Home / 19,139.56-26,409.54-11,584.60

Finding the Fourth Proportional to 19,139.56, 26,409.54 and 11,584.60

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Solution

The fourth proportional to 19,139.56, 26,409.54 and 11,584.60 is: 15,984.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,139.56 : 26,409.54 = 11,584.60 : x
  2. Step 2: Convert to fraction form
    19,139.56/26,409.54 = 11,584.60/x
  3. Step 3: Cross multiply
    19,139.56x = 26,409.54 × 11,584.60
  4. Step 4: Simplify right side
    19,139.56x = 305,943,957.08
  5. Step 5: Solve for x
    x = 305,943,957.08/19,139.56
  6. Step 6: Final answer
    x = 15,984.90

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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.