Home / 18,144.12-25,037.16-10,184.78

Finding the Fourth Proportional to 18,144.12, 25,037.16 and 10,184.78

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Solution

The fourth proportional to 18,144.12, 25,037.16 and 10,184.78 is: 14,054.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,144.12 : 25,037.16 = 10,184.78 : x
  2. Step 2: Convert to fraction form
    18,144.12/25,037.16 = 10,184.78/x
  3. Step 3: Cross multiply
    18,144.12x = 25,037.16 × 10,184.78
  4. Step 4: Simplify right side
    18,144.12x = 254,997,966.42
  5. Step 5: Solve for x
    x = 254,997,966.42/18,144.12
  6. Step 6: Final answer
    x = 14,054.03

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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.