Home / 19,122.10-28,683.15-17,080.90

Finding the Fourth Proportional to 19,122.10, 28,683.15 and 17,080.90

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Solution

The fourth proportional to 19,122.10, 28,683.15 and 17,080.90 is: 25,621.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,122.10 : 28,683.15 = 17,080.90 : x
  2. Step 2: Convert to fraction form
    19,122.10/28,683.15 = 17,080.90/x
  3. Step 3: Cross multiply
    19,122.10x = 28,683.15 × 17,080.90
  4. Step 4: Simplify right side
    19,122.10x = 489,934,016.84
  5. Step 5: Solve for x
    x = 489,934,016.84/19,122.10
  6. Step 6: Final answer
    x = 25,621.35

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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.