Home / 15,675.54-21,632.04-8,601.96

Finding the Fourth Proportional to 15,675.54, 21,632.04 and 8,601.96

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Solution

The fourth proportional to 15,675.54, 21,632.04 and 8,601.96 is: 11,870.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,675.54 : 21,632.04 = 8,601.96 : x
  2. Step 2: Convert to fraction form
    15,675.54/21,632.04 = 8,601.96/x
  3. Step 3: Cross multiply
    15,675.54x = 21,632.04 × 8,601.96
  4. Step 4: Simplify right side
    15,675.54x = 186,077,942.80
  5. Step 5: Solve for x
    x = 186,077,942.80/15,675.54
  6. Step 6: Final answer
    x = 11,870.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.