Home / 14,216.26-19,619.14-7,928.50

Finding the Fourth Proportional to 14,216.26, 19,619.14 and 7,928.50

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Solution

The fourth proportional to 14,216.26, 19,619.14 and 7,928.50 is: 10,941.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,216.26 : 19,619.14 = 7,928.50 : x
  2. Step 2: Convert to fraction form
    14,216.26/19,619.14 = 7,928.50/x
  3. Step 3: Cross multiply
    14,216.26x = 19,619.14 × 7,928.50
  4. Step 4: Simplify right side
    14,216.26x = 155,550,351.49
  5. Step 5: Solve for x
    x = 155,550,351.49/14,216.26
  6. Step 6: Final answer
    x = 10,941.72

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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.