Home / 13,465.25-18,583.49-7,880.93

Finding the Fourth Proportional to 13,465.25, 18,583.49 and 7,880.93

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Solution

The fourth proportional to 13,465.25, 18,583.49 and 7,880.93 is: 10,876.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,465.25 : 18,583.49 = 7,880.93 : x
  2. Step 2: Convert to fraction form
    13,465.25/18,583.49 = 7,880.93/x
  3. Step 3: Cross multiply
    13,465.25x = 18,583.49 × 7,880.93
  4. Step 4: Simplify right side
    13,465.25x = 146,455,183.85
  5. Step 5: Solve for x
    x = 146,455,183.85/13,465.25
  6. Step 6: Final answer
    x = 10,876.53

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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.