Home / 13,799.55-19,042.83-7,511.93

Finding the Fourth Proportional to 13,799.55, 19,042.83 and 7,511.93

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Solution

The fourth proportional to 13,799.55, 19,042.83 and 7,511.93 is: 10,366.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,799.55 : 19,042.83 = 7,511.93 : x
  2. Step 2: Convert to fraction form
    13,799.55/19,042.83 = 7,511.93/x
  3. Step 3: Cross multiply
    13,799.55x = 19,042.83 × 7,511.93
  4. Step 4: Simplify right side
    13,799.55x = 143,048,310.75
  5. Step 5: Solve for x
    x = 143,048,310.75/13,799.55
  6. Step 6: Final answer
    x = 10,366.16

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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.