Home / 18,834.51-25,991.43-10,336.71

Finding the Fourth Proportional to 18,834.51, 25,991.43 and 10,336.71

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Solution

The fourth proportional to 18,834.51, 25,991.43 and 10,336.71 is: 14,264.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,834.51 : 25,991.43 = 10,336.71 : x
  2. Step 2: Convert to fraction form
    18,834.51/25,991.43 = 10,336.71/x
  3. Step 3: Cross multiply
    18,834.51x = 25,991.43 × 10,336.71
  4. Step 4: Simplify right side
    18,834.51x = 268,665,874.40
  5. Step 5: Solve for x
    x = 268,665,874.40/18,834.51
  6. Step 6: Final answer
    x = 14,264.55

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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.