Home / 17,845.45-26,780.51-6,158.71

Finding the Fourth Proportional to 17,845.45, 26,780.51 and 6,158.71

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Solution

The fourth proportional to 17,845.45, 26,780.51 and 6,158.71 is: 9,242.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,845.45 : 26,780.51 = 6,158.71 : x
  2. Step 2: Convert to fraction form
    17,845.45/26,780.51 = 6,158.71/x
  3. Step 3: Cross multiply
    17,845.45x = 26,780.51 × 6,158.71
  4. Step 4: Simplify right side
    17,845.45x = 164,933,394.74
  5. Step 5: Solve for x
    x = 164,933,394.74/17,845.45
  6. Step 6: Final answer
    x = 9,242.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.