Home / 19,042.80-28,564.20-16,418.40

Finding the Fourth Proportional to 19,042.80, 28,564.20 and 16,418.40

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Solution

The fourth proportional to 19,042.80, 28,564.20 and 16,418.40 is: 24,627.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,042.80 : 28,564.20 = 16,418.40 : x
  2. Step 2: Convert to fraction form
    19,042.80/28,564.20 = 16,418.40/x
  3. Step 3: Cross multiply
    19,042.80x = 28,564.20 × 16,418.40
  4. Step 4: Simplify right side
    19,042.80x = 468,978,461.28
  5. Step 5: Solve for x
    x = 468,978,461.28/19,042.80
  6. Step 6: Final answer
    x = 24,627.60

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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.