Home / 18,913.69-26,096.93-10,955.44

Finding the Fourth Proportional to 18,913.69, 26,096.93 and 10,955.44

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Solution

The fourth proportional to 18,913.69, 26,096.93 and 10,955.44 is: 15,116.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,913.69 : 26,096.93 = 10,955.44 : x
  2. Step 2: Convert to fraction form
    18,913.69/26,096.93 = 10,955.44/x
  3. Step 3: Cross multiply
    18,913.69x = 26,096.93 × 10,955.44
  4. Step 4: Simplify right side
    18,913.69x = 285,903,165.54
  5. Step 5: Solve for x
    x = 285,903,165.54/18,913.69
  6. Step 6: Final answer
    x = 15,116.21

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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.