Home / 26,555.20-39,823.62-11,774.46

Finding the Fourth Proportional to 26,555.20, 39,823.62 and 11,774.46

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Solution

The fourth proportional to 26,555.20, 39,823.62 and 11,774.46 is: 17,657.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,555.20 : 39,823.62 = 11,774.46 : x
  2. Step 2: Convert to fraction form
    26,555.20/39,823.62 = 11,774.46/x
  3. Step 3: Cross multiply
    26,555.20x = 39,823.62 × 11,774.46
  4. Step 4: Simplify right side
    26,555.20x = 468,901,421.63
  5. Step 5: Solve for x
    x = 468,901,421.63/26,555.20
  6. Step 6: Final answer
    x = 17,657.61

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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.