Home / 13,837.53-19,095.09-7,869.45

Finding the Fourth Proportional to 13,837.53, 19,095.09 and 7,869.45

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Solution

The fourth proportional to 13,837.53, 19,095.09 and 7,869.45 is: 10,859.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,837.53 : 19,095.09 = 7,869.45 : x
  2. Step 2: Convert to fraction form
    13,837.53/19,095.09 = 7,869.45/x
  3. Step 3: Cross multiply
    13,837.53x = 19,095.09 × 7,869.45
  4. Step 4: Simplify right side
    13,837.53x = 150,267,942.36
  5. Step 5: Solve for x
    x = 150,267,942.36/13,837.53
  6. Step 6: Final answer
    x = 10,859.45

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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.