Home / 18,640.04-25,723.97-10,683.80

Finding the Fourth Proportional to 18,640.04, 25,723.97 and 10,683.80

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Solution

The fourth proportional to 18,640.04, 25,723.97 and 10,683.80 is: 14,744.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,640.04 : 25,723.97 = 10,683.80 : x
  2. Step 2: Convert to fraction form
    18,640.04/25,723.97 = 10,683.80/x
  3. Step 3: Cross multiply
    18,640.04x = 25,723.97 × 10,683.80
  4. Step 4: Simplify right side
    18,640.04x = 274,829,697.27
  5. Step 5: Solve for x
    x = 274,829,697.27/18,640.04
  6. Step 6: Final answer
    x = 14,744.05

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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.