Home / 26,117.40-39,167.80-8,583.12

Finding the Fourth Proportional to 26,117.40, 39,167.80 and 8,583.12

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Solution

The fourth proportional to 26,117.40, 39,167.80 and 8,583.12 is: 12,871.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,117.40 : 39,167.80 = 8,583.12 : x
  2. Step 2: Convert to fraction form
    26,117.40/39,167.80 = 8,583.12/x
  3. Step 3: Cross multiply
    26,117.40x = 39,167.80 × 8,583.12
  4. Step 4: Simplify right side
    26,117.40x = 336,181,927.54
  5. Step 5: Solve for x
    x = 336,181,927.54/26,117.40
  6. Step 6: Final answer
    x = 12,871.95

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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.