Home / 19,239.20-28,801.20-17,165.60

Finding the Fourth Proportional to 19,239.20, 28,801.20 and 17,165.60

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Solution

The fourth proportional to 19,239.20, 28,801.20 and 17,165.60 is: 25,697.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,239.20 : 28,801.20 = 17,165.60 : x
  2. Step 2: Convert to fraction form
    19,239.20/28,801.20 = 17,165.60/x
  3. Step 3: Cross multiply
    19,239.20x = 28,801.20 × 17,165.60
  4. Step 4: Simplify right side
    19,239.20x = 494,389,878.72
  5. Step 5: Solve for x
    x = 494,389,878.72/19,239.20
  6. Step 6: Final answer
    x = 25,697.01

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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.