Home / 26,461.24-39,689.87-12,424.34

Finding the Fourth Proportional to 26,461.24, 39,689.87 and 12,424.34

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Solution

The fourth proportional to 26,461.24, 39,689.87 and 12,424.34 is: 18,635.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,461.24 : 39,689.87 = 12,424.34 : x
  2. Step 2: Convert to fraction form
    26,461.24/39,689.87 = 12,424.34/x
  3. Step 3: Cross multiply
    26,461.24x = 39,689.87 × 12,424.34
  4. Step 4: Simplify right side
    26,461.24x = 493,120,476.54
  5. Step 5: Solve for x
    x = 493,120,476.54/26,461.24
  6. Step 6: Final answer
    x = 18,635.58

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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.