Home / 26,124.90-39,174.17-12,798.88

Finding the Fourth Proportional to 26,124.90, 39,174.17 and 12,798.88

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Solution

The fourth proportional to 26,124.90, 39,174.17 and 12,798.88 is: 19,191.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,124.90 : 39,174.17 = 12,798.88 : x
  2. Step 2: Convert to fraction form
    26,124.90/39,174.17 = 12,798.88/x
  3. Step 3: Cross multiply
    26,124.90x = 39,174.17 × 12,798.88
  4. Step 4: Simplify right side
    26,124.90x = 501,385,339.00
  5. Step 5: Solve for x
    x = 501,385,339.00/26,124.90
  6. Step 6: Final answer
    x = 19,191.86

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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.