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Finding the Fourth Proportional to 19,492.93, 26,900.21 and 10,995.03

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Solution

The fourth proportional to 19,492.93, 26,900.21 and 10,995.03 is: 15,173.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,492.93 : 26,900.21 = 10,995.03 : x
  2. Step 2: Convert to fraction form
    19,492.93/26,900.21 = 10,995.03/x
  3. Step 3: Cross multiply
    19,492.93x = 26,900.21 × 10,995.03
  4. Step 4: Simplify right side
    19,492.93x = 295,768,615.96
  5. Step 5: Solve for x
    x = 295,768,615.96/19,492.93
  6. Step 6: Final answer
    x = 15,173.12

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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.