Home / 14,543.54-21,815.31-3,599.54

Finding the Fourth Proportional to 14,543.54, 21,815.31 and 3,599.54

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Solution

The fourth proportional to 14,543.54, 21,815.31 and 3,599.54 is: 5,399.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,543.54 : 21,815.31 = 3,599.54 : x
  2. Step 2: Convert to fraction form
    14,543.54/21,815.31 = 3,599.54/x
  3. Step 3: Cross multiply
    14,543.54x = 21,815.31 × 3,599.54
  4. Step 4: Simplify right side
    14,543.54x = 78,525,080.96
  5. Step 5: Solve for x
    x = 78,525,080.96/14,543.54
  6. Step 6: Final answer
    x = 5,399.31

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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.