Home / 13,246.20-19,869.30-4,928.31

Finding the Fourth Proportional to 13,246.20, 19,869.30 and 4,928.31

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Solution

The fourth proportional to 13,246.20, 19,869.30 and 4,928.31 is: 7,392.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,246.20 : 19,869.30 = 4,928.31 : x
  2. Step 2: Convert to fraction form
    13,246.20/19,869.30 = 4,928.31/x
  3. Step 3: Cross multiply
    13,246.20x = 19,869.30 × 4,928.31
  4. Step 4: Simplify right side
    13,246.20x = 97,922,069.88
  5. Step 5: Solve for x
    x = 97,922,069.88/13,246.20
  6. Step 6: Final answer
    x = 7,392.47

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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.