Home / 13,600.44-18,770.47-7,632.46

Finding the Fourth Proportional to 13,600.44, 18,770.47 and 7,632.46

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Solution

The fourth proportional to 13,600.44, 18,770.47 and 7,632.46 is: 10,533.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,600.44 : 18,770.47 = 7,632.46 : x
  2. Step 2: Convert to fraction form
    13,600.44/18,770.47 = 7,632.46/x
  3. Step 3: Cross multiply
    13,600.44x = 18,770.47 × 7,632.46
  4. Step 4: Simplify right side
    13,600.44x = 143,264,795.45
  5. Step 5: Solve for x
    x = 143,264,795.45/13,600.44
  6. Step 6: Final answer
    x = 10,533.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.