Home / 14,915.03-20,583.26-8,542.76

Finding the Fourth Proportional to 14,915.03, 20,583.26 and 8,542.76

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Solution

The fourth proportional to 14,915.03, 20,583.26 and 8,542.76 is: 11,789.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,915.03 : 20,583.26 = 8,542.76 : x
  2. Step 2: Convert to fraction form
    14,915.03/20,583.26 = 8,542.76/x
  3. Step 3: Cross multiply
    14,915.03x = 20,583.26 × 8,542.76
  4. Step 4: Simplify right side
    14,915.03x = 175,837,768.64
  5. Step 5: Solve for x
    x = 175,837,768.64/14,915.03
  6. Step 6: Final answer
    x = 11,789.30

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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.