Home / 23,775.76-32,809.16-13,164.80

Finding the Fourth Proportional to 23,775.76, 32,809.16 and 13,164.80

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Solution

The fourth proportional to 23,775.76, 32,809.16 and 13,164.80 is: 18,166.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,775.76 : 32,809.16 = 13,164.80 : x
  2. Step 2: Convert to fraction form
    23,775.76/32,809.16 = 13,164.80/x
  3. Step 3: Cross multiply
    23,775.76x = 32,809.16 × 13,164.80
  4. Step 4: Simplify right side
    23,775.76x = 431,926,029.57
  5. Step 5: Solve for x
    x = 431,926,029.57/23,775.76
  6. Step 6: Final answer
    x = 18,166.66

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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.