Home / 13,465.26-18,579.24-7,799.67

Finding the Fourth Proportional to 13,465.26, 18,579.24 and 7,799.67

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Solution

The fourth proportional to 13,465.26, 18,579.24 and 7,799.67 is: 10,761.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,465.26 : 18,579.24 = 7,799.67 : x
  2. Step 2: Convert to fraction form
    13,465.26/18,579.24 = 7,799.67/x
  3. Step 3: Cross multiply
    13,465.26x = 18,579.24 × 7,799.67
  4. Step 4: Simplify right side
    13,465.26x = 144,911,940.85
  5. Step 5: Solve for x
    x = 144,911,940.85/13,465.26
  6. Step 6: Final answer
    x = 10,761.91

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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.