Home / 16,770.81-25,140.59-5,669.74

Finding the Fourth Proportional to 16,770.81, 25,140.59 and 5,669.74

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Solution

The fourth proportional to 16,770.81, 25,140.59 and 5,669.74 is: 8,499.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,770.81 : 25,140.59 = 5,669.74 : x
  2. Step 2: Convert to fraction form
    16,770.81/25,140.59 = 5,669.74/x
  3. Step 3: Cross multiply
    16,770.81x = 25,140.59 × 5,669.74
  4. Step 4: Simplify right side
    16,770.81x = 142,540,608.75
  5. Step 5: Solve for x
    x = 142,540,608.75/16,770.81
  6. Step 6: Final answer
    x = 8,499.33

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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.