Home / 18,748.16-28,165.98-10,962.44

Finding the Fourth Proportional to 18,748.16, 28,165.98 and 10,962.44

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Solution

The fourth proportional to 18,748.16, 28,165.98 and 10,962.44 is: 16,469.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,748.16 : 28,165.98 = 10,962.44 : x
  2. Step 2: Convert to fraction form
    18,748.16/28,165.98 = 10,962.44/x
  3. Step 3: Cross multiply
    18,748.16x = 28,165.98 × 10,962.44
  4. Step 4: Simplify right side
    18,748.16x = 308,767,865.79
  5. Step 5: Solve for x
    x = 308,767,865.79/18,748.16
  6. Step 6: Final answer
    x = 16,469.24

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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.