Home / 49,962.90-74,942.58-12,523.28

Finding the Fourth Proportional to 49,962.90, 74,942.58 and 12,523.28

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Solution

The fourth proportional to 49,962.90, 74,942.58 and 12,523.28 is: 18,784.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,962.90 : 74,942.58 = 12,523.28 : x
  2. Step 2: Convert to fraction form
    49,962.90/74,942.58 = 12,523.28/x
  3. Step 3: Cross multiply
    49,962.90x = 74,942.58 × 12,523.28
  4. Step 4: Simplify right side
    49,962.90x = 938,526,913.26
  5. Step 5: Solve for x
    x = 938,526,913.26/49,962.90
  6. Step 6: Final answer
    x = 18,784.48

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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.