Home / 18,997.96-26,191.74-13,325.08

Finding the Fourth Proportional to 18,997.96, 26,191.74 and 13,325.08

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Solution

The fourth proportional to 18,997.96, 26,191.74 and 13,325.08 is: 18,370.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,997.96 : 26,191.74 = 13,325.08 : x
  2. Step 2: Convert to fraction form
    18,997.96/26,191.74 = 13,325.08/x
  3. Step 3: Cross multiply
    18,997.96x = 26,191.74 × 13,325.08
  4. Step 4: Simplify right side
    18,997.96x = 349,007,030.84
  5. Step 5: Solve for x
    x = 349,007,030.84/18,997.96
  6. Step 6: Final answer
    x = 18,370.76

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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.