Home / 17,222.76-23,742.86-12,677.45

Finding the Fourth Proportional to 17,222.76, 23,742.86 and 12,677.45

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Solution

The fourth proportional to 17,222.76, 23,742.86 and 12,677.45 is: 17,476.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,222.76 : 23,742.86 = 12,677.45 : x
  2. Step 2: Convert to fraction form
    17,222.76/23,742.86 = 12,677.45/x
  3. Step 3: Cross multiply
    17,222.76x = 23,742.86 × 12,677.45
  4. Step 4: Simplify right side
    17,222.76x = 300,998,738.41
  5. Step 5: Solve for x
    x = 300,998,738.41/17,222.76
  6. Step 6: Final answer
    x = 17,476.80

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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.