Home / 18,838.02-25,997.49-10,454.70

Finding the Fourth Proportional to 18,838.02, 25,997.49 and 10,454.70

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Solution

The fourth proportional to 18,838.02, 25,997.49 and 10,454.70 is: 14,428.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,838.02 : 25,997.49 = 10,454.70 : x
  2. Step 2: Convert to fraction form
    18,838.02/25,997.49 = 10,454.70/x
  3. Step 3: Cross multiply
    18,838.02x = 25,997.49 × 10,454.70
  4. Step 4: Simplify right side
    18,838.02x = 271,795,958.70
  5. Step 5: Solve for x
    x = 271,795,958.70/18,838.02
  6. Step 6: Final answer
    x = 14,428.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.