Home / 22,156.40-30,554.88-17,112.64

Finding the Fourth Proportional to 22,156.40, 30,554.88 and 17,112.64

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Solution

The fourth proportional to 22,156.40, 30,554.88 and 17,112.64 is: 23,599.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,156.40 : 30,554.88 = 17,112.64 : x
  2. Step 2: Convert to fraction form
    22,156.40/30,554.88 = 17,112.64/x
  3. Step 3: Cross multiply
    22,156.40x = 30,554.88 × 17,112.64
  4. Step 4: Simplify right side
    22,156.40x = 522,874,661.68
  5. Step 5: Solve for x
    x = 522,874,661.68/22,156.40
  6. Step 6: Final answer
    x = 23,599.26

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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.