Home / 13,700.13-18,918.96-10,083.38

Finding the Fourth Proportional to 13,700.13, 18,918.96 and 10,083.38

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Solution

The fourth proportional to 13,700.13, 18,918.96 and 10,083.38 is: 13,924.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,700.13 : 18,918.96 = 10,083.38 : x
  2. Step 2: Convert to fraction form
    13,700.13/18,918.96 = 10,083.38/x
  3. Step 3: Cross multiply
    13,700.13x = 18,918.96 × 10,083.38
  4. Step 4: Simplify right side
    13,700.13x = 190,766,968.29
  5. Step 5: Solve for x
    x = 190,766,968.29/13,700.13
  6. Step 6: Final answer
    x = 13,924.46

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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.