Home / 26,607.76-39,911.92-12,753.52

Finding the Fourth Proportional to 26,607.76, 39,911.92 and 12,753.52

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Solution

The fourth proportional to 26,607.76, 39,911.92 and 12,753.52 is: 19,130.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,607.76 : 39,911.92 = 12,753.52 : x
  2. Step 2: Convert to fraction form
    26,607.76/39,911.92 = 12,753.52/x
  3. Step 3: Cross multiply
    26,607.76x = 39,911.92 × 12,753.52
  4. Step 4: Simplify right side
    26,607.76x = 509,017,469.96
  5. Step 5: Solve for x
    x = 509,017,469.96/26,607.76
  6. Step 6: Final answer
    x = 19,130.41

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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.