Home / 18,834.49-25,991.35-10,336.69

Finding the Fourth Proportional to 18,834.49, 25,991.35 and 10,336.69

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Solution

The fourth proportional to 18,834.49, 25,991.35 and 10,336.69 is: 14,264.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,834.49 : 25,991.35 = 10,336.69 : x
  2. Step 2: Convert to fraction form
    18,834.49/25,991.35 = 10,336.69/x
  3. Step 3: Cross multiply
    18,834.49x = 25,991.35 × 10,336.69
  4. Step 4: Simplify right side
    18,834.49x = 268,664,527.63
  5. Step 5: Solve for x
    x = 268,664,527.63/18,834.49
  6. Step 6: Final answer
    x = 14,264.50

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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.