Home / 19,078.40-28,622.46-5,930.89

Finding the Fourth Proportional to 19,078.40, 28,622.46 and 5,930.89

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Solution

The fourth proportional to 19,078.40, 28,622.46 and 5,930.89 is: 8,897.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,078.40 : 28,622.46 = 5,930.89 : x
  2. Step 2: Convert to fraction form
    19,078.40/28,622.46 = 5,930.89/x
  3. Step 3: Cross multiply
    19,078.40x = 28,622.46 × 5,930.89
  4. Step 4: Simplify right side
    19,078.40x = 169,756,612.47
  5. Step 5: Solve for x
    x = 169,756,612.47/19,078.40
  6. Step 6: Final answer
    x = 8,897.84

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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.