Home / 13,573.04-18,732.34-8,267.85

Finding the Fourth Proportional to 13,573.04, 18,732.34 and 8,267.85

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Solution

The fourth proportional to 13,573.04, 18,732.34 and 8,267.85 is: 11,410.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,573.04 : 18,732.34 = 8,267.85 : x
  2. Step 2: Convert to fraction form
    13,573.04/18,732.34 = 8,267.85/x
  3. Step 3: Cross multiply
    13,573.04x = 18,732.34 × 8,267.85
  4. Step 4: Simplify right side
    13,573.04x = 154,876,111.67
  5. Step 5: Solve for x
    x = 154,876,111.67/13,573.04
  6. Step 6: Final answer
    x = 11,410.57

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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.