Home / 17,071.82-25,607.74-5,385.95

Finding the Fourth Proportional to 17,071.82, 25,607.74 and 5,385.95

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Solution

The fourth proportional to 17,071.82, 25,607.74 and 5,385.95 is: 8,078.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,071.82 : 25,607.74 = 5,385.95 : x
  2. Step 2: Convert to fraction form
    17,071.82/25,607.74 = 5,385.95/x
  3. Step 3: Cross multiply
    17,071.82x = 25,607.74 × 5,385.95
  4. Step 4: Simplify right side
    17,071.82x = 137,921,929.77
  5. Step 5: Solve for x
    x = 137,921,929.77/17,071.82
  6. Step 6: Final answer
    x = 8,078.92

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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.