Home / 13,176.68-19,759.55-4,406.81

Finding the Fourth Proportional to 13,176.68, 19,759.55 and 4,406.81

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Solution

The fourth proportional to 13,176.68, 19,759.55 and 4,406.81 is: 6,608.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,176.68 : 19,759.55 = 4,406.81 : x
  2. Step 2: Convert to fraction form
    13,176.68/19,759.55 = 4,406.81/x
  3. Step 3: Cross multiply
    13,176.68x = 19,759.55 × 4,406.81
  4. Step 4: Simplify right side
    13,176.68x = 87,076,461.70
  5. Step 5: Solve for x
    x = 87,076,461.70/13,176.68
  6. Step 6: Final answer
    x = 6,608.38

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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.