Home / 13,465.44-18,583.29-7,801.65

Finding the Fourth Proportional to 13,465.44, 18,583.29 and 7,801.65

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Solution

The fourth proportional to 13,465.44, 18,583.29 and 7,801.65 is: 10,766.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,465.44 : 18,583.29 = 7,801.65 : x
  2. Step 2: Convert to fraction form
    13,465.44/18,583.29 = 7,801.65/x
  3. Step 3: Cross multiply
    13,465.44x = 18,583.29 × 7,801.65
  4. Step 4: Simplify right side
    13,465.44x = 144,980,324.43
  5. Step 5: Solve for x
    x = 144,980,324.43/13,465.44
  6. Step 6: Final answer
    x = 10,766.85

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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.