Home / 26,371.80-39,558.10-8,602.38

Finding the Fourth Proportional to 26,371.80, 39,558.10 and 8,602.38

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Solution

The fourth proportional to 26,371.80, 39,558.10 and 8,602.38 is: 12,903.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,371.80 : 39,558.10 = 8,602.38 : x
  2. Step 2: Convert to fraction form
    26,371.80/39,558.10 = 8,602.38/x
  3. Step 3: Cross multiply
    26,371.80x = 39,558.10 × 8,602.38
  4. Step 4: Simplify right side
    26,371.80x = 340,293,808.28
  5. Step 5: Solve for x
    x = 340,293,808.28/26,371.80
  6. Step 6: Final answer
    x = 12,903.70

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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.