Home / 18,948.33-26,148.42-10,995.08

Finding the Fourth Proportional to 18,948.33, 26,148.42 and 10,995.08

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Solution

The fourth proportional to 18,948.33, 26,148.42 and 10,995.08 is: 15,173.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,948.33 : 26,148.42 = 10,995.08 : x
  2. Step 2: Convert to fraction form
    18,948.33/26,148.42 = 10,995.08/x
  3. Step 3: Cross multiply
    18,948.33x = 26,148.42 × 10,995.08
  4. Step 4: Simplify right side
    18,948.33x = 287,503,839.03
  5. Step 5: Solve for x
    x = 287,503,839.03/18,948.33
  6. Step 6: Final answer
    x = 15,173.04

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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.