Home / 34,451.20-51,681.60-11,084.80

Finding the Fourth Proportional to 34,451.20, 51,681.60 and 11,084.80

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Solution

The fourth proportional to 34,451.20, 51,681.60 and 11,084.80 is: 16,628.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,451.20 : 51,681.60 = 11,084.80 : x
  2. Step 2: Convert to fraction form
    34,451.20/51,681.60 = 11,084.80/x
  3. Step 3: Cross multiply
    34,451.20x = 51,681.60 × 11,084.80
  4. Step 4: Simplify right side
    34,451.20x = 572,880,199.68
  5. Step 5: Solve for x
    x = 572,880,199.68/34,451.20
  6. Step 6: Final answer
    x = 16,628.74

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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.