Home / 19,056.40-28,600.80-8,542.60

Finding the Fourth Proportional to 19,056.40, 28,600.80 and 8,542.60

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Solution

The fourth proportional to 19,056.40, 28,600.80 and 8,542.60 is: 12,821.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,056.40 : 28,600.80 = 8,542.60 : x
  2. Step 2: Convert to fraction form
    19,056.40/28,600.80 = 8,542.60/x
  3. Step 3: Cross multiply
    19,056.40x = 28,600.80 × 8,542.60
  4. Step 4: Simplify right side
    19,056.40x = 244,325,194.08
  5. Step 5: Solve for x
    x = 244,325,194.08/19,056.40
  6. Step 6: Final answer
    x = 12,821.16

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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.