Home / 19,238.80-28,793.40-17,683.60

Finding the Fourth Proportional to 19,238.80, 28,793.40 and 17,683.60

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Solution

The fourth proportional to 19,238.80, 28,793.40 and 17,683.60 is: 26,465.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,238.80 : 28,793.40 = 17,683.60 : x
  2. Step 2: Convert to fraction form
    19,238.80/28,793.40 = 17,683.60/x
  3. Step 3: Cross multiply
    19,238.80x = 28,793.40 × 17,683.60
  4. Step 4: Simplify right side
    19,238.80x = 509,170,968.24
  5. Step 5: Solve for x
    x = 509,170,968.24/19,238.80
  6. Step 6: Final answer
    x = 26,465.84

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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.