Home / 15,675.46-21,632.14-8,961.24

Finding the Fourth Proportional to 15,675.46, 21,632.14 and 8,961.24

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Solution

The fourth proportional to 15,675.46, 21,632.14 and 8,961.24 is: 12,366.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,675.46 : 21,632.14 = 8,961.24 : x
  2. Step 2: Convert to fraction form
    15,675.46/21,632.14 = 8,961.24/x
  3. Step 3: Cross multiply
    15,675.46x = 21,632.14 × 8,961.24
  4. Step 4: Simplify right side
    15,675.46x = 193,850,798.25
  5. Step 5: Solve for x
    x = 193,850,798.25/15,675.46
  6. Step 6: Final answer
    x = 12,366.51

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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.