Home / 18,958.16-26,161.80-11,001.04

Finding the Fourth Proportional to 18,958.16, 26,161.80 and 11,001.04

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Solution

The fourth proportional to 18,958.16, 26,161.80 and 11,001.04 is: 15,181.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,958.16 : 26,161.80 = 11,001.04 : x
  2. Step 2: Convert to fraction form
    18,958.16/26,161.80 = 11,001.04/x
  3. Step 3: Cross multiply
    18,958.16x = 26,161.80 × 11,001.04
  4. Step 4: Simplify right side
    18,958.16x = 287,807,008.27
  5. Step 5: Solve for x
    x = 287,807,008.27/18,958.16
  6. Step 6: Final answer
    x = 15,181.17

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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.