Home / 18,946.62-28,420.48-5,798.70

Finding the Fourth Proportional to 18,946.62, 28,420.48 and 5,798.70

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Solution

The fourth proportional to 18,946.62, 28,420.48 and 5,798.70 is: 8,698.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,946.62 : 28,420.48 = 5,798.70 : x
  2. Step 2: Convert to fraction form
    18,946.62/28,420.48 = 5,798.70/x
  3. Step 3: Cross multiply
    18,946.62x = 28,420.48 × 5,798.70
  4. Step 4: Simplify right side
    18,946.62x = 164,801,837.38
  5. Step 5: Solve for x
    x = 164,801,837.38/18,946.62
  6. Step 6: Final answer
    x = 8,698.22

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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.