Home / 13,025.08-17,972.58-7,719.04

Finding the Fourth Proportional to 13,025.08, 17,972.58 and 7,719.04

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Solution

The fourth proportional to 13,025.08, 17,972.58 and 7,719.04 is: 10,651.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,025.08 : 17,972.58 = 7,719.04 : x
  2. Step 2: Convert to fraction form
    13,025.08/17,972.58 = 7,719.04/x
  3. Step 3: Cross multiply
    13,025.08x = 17,972.58 × 7,719.04
  4. Step 4: Simplify right side
    13,025.08x = 138,731,063.92
  5. Step 5: Solve for x
    x = 138,731,063.92/13,025.08
  6. Step 6: Final answer
    x = 10,651.07

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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.