Home / 13,866.69-19,133.82-7,898.48

Finding the Fourth Proportional to 13,866.69, 19,133.82 and 7,898.48

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Solution

The fourth proportional to 13,866.69, 19,133.82 and 7,898.48 is: 10,898.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,866.69 : 19,133.82 = 7,898.48 : x
  2. Step 2: Convert to fraction form
    13,866.69/19,133.82 = 7,898.48/x
  3. Step 3: Cross multiply
    13,866.69x = 19,133.82 × 7,898.48
  4. Step 4: Simplify right side
    13,866.69x = 151,127,998.92
  5. Step 5: Solve for x
    x = 151,127,998.92/13,866.69
  6. Step 6: Final answer
    x = 10,898.64

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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.