Home / 18,913.56-26,100.60-10,955.62

Finding the Fourth Proportional to 18,913.56, 26,100.60 and 10,955.62

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Solution

The fourth proportional to 18,913.56, 26,100.60 and 10,955.62 is: 15,118.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,913.56 : 26,100.60 = 10,955.62 : x
  2. Step 2: Convert to fraction form
    18,913.56/26,100.60 = 10,955.62/x
  3. Step 3: Cross multiply
    18,913.56x = 26,100.60 × 10,955.62
  4. Step 4: Simplify right side
    18,913.56x = 285,948,255.37
  5. Step 5: Solve for x
    x = 285,948,255.37/18,913.56
  6. Step 6: Final answer
    x = 15,118.69

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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.