Home / 18,209.02-25,128.38-10,251.26

Finding the Fourth Proportional to 18,209.02, 25,128.38 and 10,251.26

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Solution

The fourth proportional to 18,209.02, 25,128.38 and 10,251.26 is: 14,146.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,209.02 : 25,128.38 = 10,251.26 : x
  2. Step 2: Convert to fraction form
    18,209.02/25,128.38 = 10,251.26/x
  3. Step 3: Cross multiply
    18,209.02x = 25,128.38 × 10,251.26
  4. Step 4: Simplify right side
    18,209.02x = 257,597,505.50
  5. Step 5: Solve for x
    x = 257,597,505.50/18,209.02
  6. Step 6: Final answer
    x = 14,146.70

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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.