Home / 15,513.88-23,284.24-8,123.50

Finding the Fourth Proportional to 15,513.88, 23,284.24 and 8,123.50

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Solution

The fourth proportional to 15,513.88, 23,284.24 and 8,123.50 is: 12,192.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,513.88 : 23,284.24 = 8,123.50 : x
  2. Step 2: Convert to fraction form
    15,513.88/23,284.24 = 8,123.50/x
  3. Step 3: Cross multiply
    15,513.88x = 23,284.24 × 8,123.50
  4. Step 4: Simplify right side
    15,513.88x = 189,149,523.64
  5. Step 5: Solve for x
    x = 189,149,523.64/15,513.88
  6. Step 6: Final answer
    x = 12,192.28

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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.