Home / 13,915.35-20,867.83-5,592.55

Finding the Fourth Proportional to 13,915.35, 20,867.83 and 5,592.55

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Solution

The fourth proportional to 13,915.35, 20,867.83 and 5,592.55 is: 8,386.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,915.35 : 20,867.83 = 5,592.55 : x
  2. Step 2: Convert to fraction form
    13,915.35/20,867.83 = 5,592.55/x
  3. Step 3: Cross multiply
    13,915.35x = 20,867.83 × 5,592.55
  4. Step 4: Simplify right side
    13,915.35x = 116,704,382.67
  5. Step 5: Solve for x
    x = 116,704,382.67/13,915.35
  6. Step 6: Final answer
    x = 8,386.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.