Home / 18,567.12-25,622.80-10,183.60

Finding the Fourth Proportional to 18,567.12, 25,622.80 and 10,183.60

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Solution

The fourth proportional to 18,567.12, 25,622.80 and 10,183.60 is: 14,053.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,567.12 : 25,622.80 = 10,183.60 : x
  2. Step 2: Convert to fraction form
    18,567.12/25,622.80 = 10,183.60/x
  3. Step 3: Cross multiply
    18,567.12x = 25,622.80 × 10,183.60
  4. Step 4: Simplify right side
    18,567.12x = 260,932,346.08
  5. Step 5: Solve for x
    x = 260,932,346.08/18,567.12
  6. Step 6: Final answer
    x = 14,053.46

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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.