Home / 16,965.28-25,378.80-14,200.48

Finding the Fourth Proportional to 16,965.28, 25,378.80 and 14,200.48

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Solution

The fourth proportional to 16,965.28, 25,378.80 and 14,200.48 is: 21,242.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,965.28 : 25,378.80 = 14,200.48 : x
  2. Step 2: Convert to fraction form
    16,965.28/25,378.80 = 14,200.48/x
  3. Step 3: Cross multiply
    16,965.28x = 25,378.80 × 14,200.48
  4. Step 4: Simplify right side
    16,965.28x = 360,391,141.82
  5. Step 5: Solve for x
    x = 360,391,141.82/16,965.28
  6. Step 6: Final answer
    x = 21,242.86

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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.