Home / 21,573.15-32,359.70-6,783.36

Finding the Fourth Proportional to 21,573.15, 32,359.70 and 6,783.36

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Solution

The fourth proportional to 21,573.15, 32,359.70 and 6,783.36 is: 10,175.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,573.15 : 32,359.70 = 6,783.36 : x
  2. Step 2: Convert to fraction form
    21,573.15/32,359.70 = 6,783.36/x
  3. Step 3: Cross multiply
    21,573.15x = 32,359.70 × 6,783.36
  4. Step 4: Simplify right side
    21,573.15x = 219,507,511.55
  5. Step 5: Solve for x
    x = 219,507,511.55/21,573.15
  6. Step 6: Final answer
    x = 10,175.03

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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.