Home / 18,204.35-25,121.34-10,247.31

Finding the Fourth Proportional to 18,204.35, 25,121.34 and 10,247.31

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Solution

The fourth proportional to 18,204.35, 25,121.34 and 10,247.31 is: 14,140.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,204.35 : 25,121.34 = 10,247.31 : x
  2. Step 2: Convert to fraction form
    18,204.35/25,121.34 = 10,247.31/x
  3. Step 3: Cross multiply
    18,204.35x = 25,121.34 × 10,247.31
  4. Step 4: Simplify right side
    18,204.35x = 257,426,158.60
  5. Step 5: Solve for x
    x = 257,426,158.60/18,204.35
  6. Step 6: Final answer
    x = 14,140.92

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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.