Home / 16,915.23-25,353.30-9,107.64

Finding the Fourth Proportional to 16,915.23, 25,353.30 and 9,107.64

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Solution

The fourth proportional to 16,915.23, 25,353.30 and 9,107.64 is: 13,650.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,915.23 : 25,353.30 = 9,107.64 : x
  2. Step 2: Convert to fraction form
    16,915.23/25,353.30 = 9,107.64/x
  3. Step 3: Cross multiply
    16,915.23x = 25,353.30 × 9,107.64
  4. Step 4: Simplify right side
    16,915.23x = 230,908,729.21
  5. Step 5: Solve for x
    x = 230,908,729.21/16,915.23
  6. Step 6: Final answer
    x = 13,650.94

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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.