Home / 14,883.57-20,537.83-8,915.09

Finding the Fourth Proportional to 14,883.57, 20,537.83 and 8,915.09

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Solution

The fourth proportional to 14,883.57, 20,537.83 and 8,915.09 is: 12,301.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,883.57 : 20,537.83 = 8,915.09 : x
  2. Step 2: Convert to fraction form
    14,883.57/20,537.83 = 8,915.09/x
  3. Step 3: Cross multiply
    14,883.57x = 20,537.83 × 8,915.09
  4. Step 4: Simplify right side
    14,883.57x = 183,096,602.85
  5. Step 5: Solve for x
    x = 183,096,602.85/14,883.57
  6. Step 6: Final answer
    x = 12,301.93

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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.