Home / 13,250.10-18,285.08-7,584.82

Finding the Fourth Proportional to 13,250.10, 18,285.08 and 7,584.82

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Solution

The fourth proportional to 13,250.10, 18,285.08 and 7,584.82 is: 10,467.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,250.10 : 18,285.08 = 7,584.82 : x
  2. Step 2: Convert to fraction form
    13,250.10/18,285.08 = 7,584.82/x
  3. Step 3: Cross multiply
    13,250.10x = 18,285.08 × 7,584.82
  4. Step 4: Simplify right side
    13,250.10x = 138,689,072.27
  5. Step 5: Solve for x
    x = 138,689,072.27/13,250.10
  6. Step 6: Final answer
    x = 10,467.02

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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.