Home / 18,748.84-28,201.02-16,960.36

Finding the Fourth Proportional to 18,748.84, 28,201.02 and 16,960.36

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Solution

The fourth proportional to 18,748.84, 28,201.02 and 16,960.36 is: 25,510.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,748.84 : 28,201.02 = 16,960.36 : x
  2. Step 2: Convert to fraction form
    18,748.84/28,201.02 = 16,960.36/x
  3. Step 3: Cross multiply
    18,748.84x = 28,201.02 × 16,960.36
  4. Step 4: Simplify right side
    18,748.84x = 478,299,451.57
  5. Step 5: Solve for x
    x = 478,299,451.57/18,748.84
  6. Step 6: Final answer
    x = 25,510.88

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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.