Home / 13,810.35-19,057.62-7,841.23

Finding the Fourth Proportional to 13,810.35, 19,057.62 and 7,841.23

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Solution

The fourth proportional to 13,810.35, 19,057.62 and 7,841.23 is: 10,820.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,810.35 : 19,057.62 = 7,841.23 : x
  2. Step 2: Convert to fraction form
    13,810.35/19,057.62 = 7,841.23/x
  3. Step 3: Cross multiply
    13,810.35x = 19,057.62 × 7,841.23
  4. Step 4: Simplify right side
    13,810.35x = 149,435,181.67
  5. Step 5: Solve for x
    x = 149,435,181.67/13,810.35
  6. Step 6: Final answer
    x = 10,820.52

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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.