Home / 26,103.52-39,156.72-10,519.36

Finding the Fourth Proportional to 26,103.52, 39,156.72 and 10,519.36

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Solution

The fourth proportional to 26,103.52, 39,156.72 and 10,519.36 is: 15,779.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,103.52 : 39,156.72 = 10,519.36 : x
  2. Step 2: Convert to fraction form
    26,103.52/39,156.72 = 10,519.36/x
  3. Step 3: Cross multiply
    26,103.52x = 39,156.72 × 10,519.36
  4. Step 4: Simplify right side
    26,103.52x = 411,903,634.10
  5. Step 5: Solve for x
    x = 411,903,634.10/26,103.52
  6. Step 6: Final answer
    x = 15,779.62

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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.