Home / 18,730.63-25,849.01-10,772.84

Finding the Fourth Proportional to 18,730.63, 25,849.01 and 10,772.84

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Solution

The fourth proportional to 18,730.63, 25,849.01 and 10,772.84 is: 14,866.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,730.63 : 25,849.01 = 10,772.84 : x
  2. Step 2: Convert to fraction form
    18,730.63/25,849.01 = 10,772.84/x
  3. Step 3: Cross multiply
    18,730.63x = 25,849.01 × 10,772.84
  4. Step 4: Simplify right side
    18,730.63x = 278,467,195.02
  5. Step 5: Solve for x
    x = 278,467,195.02/18,730.63
  6. Step 6: Final answer
    x = 14,866.95

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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.