Home / 18,769.37-25,871.96-14,784.17

Finding the Fourth Proportional to 18,769.37, 25,871.96 and 14,784.17

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Solution

The fourth proportional to 18,769.37, 25,871.96 and 14,784.17 is: 20,378.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,769.37 : 25,871.96 = 14,784.17 : x
  2. Step 2: Convert to fraction form
    18,769.37/25,871.96 = 14,784.17/x
  3. Step 3: Cross multiply
    18,769.37x = 25,871.96 × 14,784.17
  4. Step 4: Simplify right side
    18,769.37x = 382,495,380.95
  5. Step 5: Solve for x
    x = 382,495,380.95/18,769.37
  6. Step 6: Final answer
    x = 20,378.70

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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.