Home / 13,573.72-18,730.66-7,604.04

Finding the Fourth Proportional to 13,573.72, 18,730.66 and 7,604.04

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Solution

The fourth proportional to 13,573.72, 18,730.66 and 7,604.04 is: 10,492.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,573.72 : 18,730.66 = 7,604.04 : x
  2. Step 2: Convert to fraction form
    13,573.72/18,730.66 = 7,604.04/x
  3. Step 3: Cross multiply
    13,573.72x = 18,730.66 × 7,604.04
  4. Step 4: Simplify right side
    13,573.72x = 142,428,687.87
  5. Step 5: Solve for x
    x = 142,428,687.87/13,573.72
  6. Step 6: Final answer
    x = 10,492.97

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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.