Home / 14,938.43-20,621.41-10,634.30

Finding the Fourth Proportional to 14,938.43, 20,621.41 and 10,634.30

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Solution

The fourth proportional to 14,938.43, 20,621.41 and 10,634.30 is: 14,679.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,938.43 : 20,621.41 = 10,634.30 : x
  2. Step 2: Convert to fraction form
    14,938.43/20,621.41 = 10,634.30/x
  3. Step 3: Cross multiply
    14,938.43x = 20,621.41 × 10,634.30
  4. Step 4: Simplify right side
    14,938.43x = 219,294,260.36
  5. Step 5: Solve for x
    x = 219,294,260.36/14,938.43
  6. Step 6: Final answer
    x = 14,679.87

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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.