Home / 13,622.26-18,799.13-7,653.77

Finding the Fourth Proportional to 13,622.26, 18,799.13 and 7,653.77

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Solution

The fourth proportional to 13,622.26, 18,799.13 and 7,653.77 is: 10,562.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,622.26 : 18,799.13 = 7,653.77 : x
  2. Step 2: Convert to fraction form
    13,622.26/18,799.13 = 7,653.77/x
  3. Step 3: Cross multiply
    13,622.26x = 18,799.13 × 7,653.77
  4. Step 4: Simplify right side
    13,622.26x = 143,884,283.35
  5. Step 5: Solve for x
    x = 143,884,283.35/13,622.26
  6. Step 6: Final answer
    x = 10,562.44

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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.