Home / 19,303.32-28,947.60-6,821.01

Finding the Fourth Proportional to 19,303.32, 28,947.60 and 6,821.01

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Solution

The fourth proportional to 19,303.32, 28,947.60 and 6,821.01 is: 10,228.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,303.32 : 28,947.60 = 6,821.01 : x
  2. Step 2: Convert to fraction form
    19,303.32/28,947.60 = 6,821.01/x
  3. Step 3: Cross multiply
    19,303.32x = 28,947.60 × 6,821.01
  4. Step 4: Simplify right side
    19,303.32x = 197,451,869.08
  5. Step 5: Solve for x
    x = 197,451,869.08/19,303.32
  6. Step 6: Final answer
    x = 10,228.91

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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.