Home / 13,633.49-18,813.73-7,583.70

Finding the Fourth Proportional to 13,633.49, 18,813.73 and 7,583.70

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Solution

The fourth proportional to 13,633.49, 18,813.73 and 7,583.70 is: 10,465.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,633.49 : 18,813.73 = 7,583.70 : x
  2. Step 2: Convert to fraction form
    13,633.49/18,813.73 = 7,583.70/x
  3. Step 3: Cross multiply
    13,633.49x = 18,813.73 × 7,583.70
  4. Step 4: Simplify right side
    13,633.49x = 142,677,684.20
  5. Step 5: Solve for x
    x = 142,677,684.20/13,633.49
  6. Step 6: Final answer
    x = 10,465.24

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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.