Home / 18,949.01-28,423.71-5,801.49

Finding the Fourth Proportional to 18,949.01, 28,423.71 and 5,801.49

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Solution

The fourth proportional to 18,949.01, 28,423.71 and 5,801.49 is: 8,702.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,949.01 : 28,423.71 = 5,801.49 : x
  2. Step 2: Convert to fraction form
    18,949.01/28,423.71 = 5,801.49/x
  3. Step 3: Cross multiply
    18,949.01x = 28,423.71 × 5,801.49
  4. Step 4: Simplify right side
    18,949.01x = 164,899,869.33
  5. Step 5: Solve for x
    x = 164,899,869.33/18,949.01
  6. Step 6: Final answer
    x = 8,702.30

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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.