Home / 22,056.88-30,435.60-13,563.40

Finding the Fourth Proportional to 22,056.88, 30,435.60 and 13,563.40

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Solution

The fourth proportional to 22,056.88, 30,435.60 and 13,563.40 is: 18,715.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,056.88 : 30,435.60 = 13,563.40 : x
  2. Step 2: Convert to fraction form
    22,056.88/30,435.60 = 13,563.40/x
  3. Step 3: Cross multiply
    22,056.88x = 30,435.60 × 13,563.40
  4. Step 4: Simplify right side
    22,056.88x = 412,810,217.04
  5. Step 5: Solve for x
    x = 412,810,217.04/22,056.88
  6. Step 6: Final answer
    x = 18,715.71

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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.