Home / 18,956.06-26,161.14-10,890.86

Finding the Fourth Proportional to 18,956.06, 26,161.14 and 10,890.86

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Solution

The fourth proportional to 18,956.06, 26,161.14 and 10,890.86 is: 15,030.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,956.06 : 26,161.14 = 10,890.86 : x
  2. Step 2: Convert to fraction form
    18,956.06/26,161.14 = 10,890.86/x
  3. Step 3: Cross multiply
    18,956.06x = 26,161.14 × 10,890.86
  4. Step 4: Simplify right side
    18,956.06x = 284,917,313.18
  5. Step 5: Solve for x
    x = 284,917,313.18/18,956.06
  6. Step 6: Final answer
    x = 15,030.41

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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.