Home / 18,760.36-25,891.14-10,802.92

Finding the Fourth Proportional to 18,760.36, 25,891.14 and 10,802.92

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Solution

The fourth proportional to 18,760.36, 25,891.14 and 10,802.92 is: 14,909.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,760.36 : 25,891.14 = 10,802.92 : x
  2. Step 2: Convert to fraction form
    18,760.36/25,891.14 = 10,802.92/x
  3. Step 3: Cross multiply
    18,760.36x = 25,891.14 × 10,802.92
  4. Step 4: Simplify right side
    18,760.36x = 279,699,914.13
  5. Step 5: Solve for x
    x = 279,699,914.13/18,760.36
  6. Step 6: Final answer
    x = 14,909.09

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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.