Home / 26,174.24-39,267.84-12,320

Finding the Fourth Proportional to 26,174.24, 39,267.84 and 12,320

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Solution

The fourth proportional to 26,174.24, 39,267.84 and 12,320 is: 18,483.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,174.24 : 39,267.84 = 12,320 : x
  2. Step 2: Convert to fraction form
    26,174.24/39,267.84 = 12,320/x
  3. Step 3: Cross multiply
    26,174.24x = 39,267.84 × 12,320
  4. Step 4: Simplify right side
    26,174.24x = 483,779,788.80
  5. Step 5: Solve for x
    x = 483,779,788.80/26,174.24
  6. Step 6: Final answer
    x = 18,483.05

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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.