Home / 18,953.93-26,157.70-10,996.16

Finding the Fourth Proportional to 18,953.93, 26,157.70 and 10,996.16

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Solution

The fourth proportional to 18,953.93, 26,157.70 and 10,996.16 is: 15,175.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,953.93 : 26,157.70 = 10,996.16 : x
  2. Step 2: Convert to fraction form
    18,953.93/26,157.70 = 10,996.16/x
  3. Step 3: Cross multiply
    18,953.93x = 26,157.70 × 10,996.16
  4. Step 4: Simplify right side
    18,953.93x = 287,634,137.39
  5. Step 5: Solve for x
    x = 287,634,137.39/18,953.93
  6. Step 6: Final answer
    x = 15,175.44

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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.