Home / 14,932.92-20,597.58-8,640.84

Finding the Fourth Proportional to 14,932.92, 20,597.58 and 8,640.84

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Solution

The fourth proportional to 14,932.92, 20,597.58 and 8,640.84 is: 11,918.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,932.92 : 20,597.58 = 8,640.84 : x
  2. Step 2: Convert to fraction form
    14,932.92/20,597.58 = 8,640.84/x
  3. Step 3: Cross multiply
    14,932.92x = 20,597.58 × 8,640.84
  4. Step 4: Simplify right side
    14,932.92x = 177,980,393.17
  5. Step 5: Solve for x
    x = 177,980,393.17/14,932.92
  6. Step 6: Final answer
    x = 11,918.66

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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.