Home / 13,563.48-18,718.78-7,595.04

Finding the Fourth Proportional to 13,563.48, 18,718.78 and 7,595.04

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Solution

The fourth proportional to 13,563.48, 18,718.78 and 7,595.04 is: 10,481.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,563.48 : 18,718.78 = 7,595.04 : x
  2. Step 2: Convert to fraction form
    13,563.48/18,718.78 = 7,595.04/x
  3. Step 3: Cross multiply
    13,563.48x = 18,718.78 × 7,595.04
  4. Step 4: Simplify right side
    13,563.48x = 142,169,882.85
  5. Step 5: Solve for x
    x = 142,169,882.85/13,563.48
  6. Step 6: Final answer
    x = 10,481.81

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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.