Home / 15,551.55-23,330.43-4,458.33

Finding the Fourth Proportional to 15,551.55, 23,330.43 and 4,458.33

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Solution

The fourth proportional to 15,551.55, 23,330.43 and 4,458.33 is: 6,688.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,551.55 : 23,330.43 = 4,458.33 : x
  2. Step 2: Convert to fraction form
    15,551.55/23,330.43 = 4,458.33/x
  3. Step 3: Cross multiply
    15,551.55x = 23,330.43 × 4,458.33
  4. Step 4: Simplify right side
    15,551.55x = 104,014,755.98
  5. Step 5: Solve for x
    x = 104,014,755.98/15,551.55
  6. Step 6: Final answer
    x = 6,688.39

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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.