Home / 18,896.04-28,342.92-7,047.48

Finding the Fourth Proportional to 18,896.04, 28,342.92 and 7,047.48

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Solution

The fourth proportional to 18,896.04, 28,342.92 and 7,047.48 is: 10,570.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,896.04 : 28,342.92 = 7,047.48 : x
  2. Step 2: Convert to fraction form
    18,896.04/28,342.92 = 7,047.48/x
  3. Step 3: Cross multiply
    18,896.04x = 28,342.92 × 7,047.48
  4. Step 4: Simplify right side
    18,896.04x = 199,746,161.84
  5. Step 5: Solve for x
    x = 199,746,161.84/18,896.04
  6. Step 6: Final answer
    x = 10,570.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.