Home / 13,802.67-19,049.40-7,836.26

Finding the Fourth Proportional to 13,802.67, 19,049.40 and 7,836.26

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Solution

The fourth proportional to 13,802.67, 19,049.40 and 7,836.26 is: 10,815.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,802.67 : 19,049.40 = 7,836.26 : x
  2. Step 2: Convert to fraction form
    13,802.67/19,049.40 = 7,836.26/x
  3. Step 3: Cross multiply
    13,802.67x = 19,049.40 × 7,836.26
  4. Step 4: Simplify right side
    13,802.67x = 149,275,956.00
  5. Step 5: Solve for x
    x = 149,275,956.00/13,802.67
  6. Step 6: Final answer
    x = 10,815.01

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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.