Home / 22,244.67-30,708.75-12,811.41

Finding the Fourth Proportional to 22,244.67, 30,708.75 and 12,811.41

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Solution

The fourth proportional to 22,244.67, 30,708.75 and 12,811.41 is: 17,686.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,244.67 : 30,708.75 = 12,811.41 : x
  2. Step 2: Convert to fraction form
    22,244.67/30,708.75 = 12,811.41/x
  3. Step 3: Cross multiply
    22,244.67x = 30,708.75 × 12,811.41
  4. Step 4: Simplify right side
    22,244.67x = 393,422,386.84
  5. Step 5: Solve for x
    x = 393,422,386.84/22,244.67
  6. Step 6: Final answer
    x = 17,686.14

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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.