Home / 19,653.46-27,120.91-10,700.99

Finding the Fourth Proportional to 19,653.46, 27,120.91 and 10,700.99

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Solution

The fourth proportional to 19,653.46, 27,120.91 and 10,700.99 is: 14,766.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,653.46 : 27,120.91 = 10,700.99 : x
  2. Step 2: Convert to fraction form
    19,653.46/27,120.91 = 10,700.99/x
  3. Step 3: Cross multiply
    19,653.46x = 27,120.91 × 10,700.99
  4. Step 4: Simplify right side
    19,653.46x = 290,220,586.70
  5. Step 5: Solve for x
    x = 290,220,586.70/19,653.46
  6. Step 6: Final answer
    x = 14,766.90

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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.