Home / 18,176.14-25,085.64-10,218.88

Finding the Fourth Proportional to 18,176.14, 25,085.64 and 10,218.88

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Solution

The fourth proportional to 18,176.14, 25,085.64 and 10,218.88 is: 14,103.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,176.14 : 25,085.64 = 10,218.88 : x
  2. Step 2: Convert to fraction form
    18,176.14/25,085.64 = 10,218.88/x
  3. Step 3: Cross multiply
    18,176.14x = 25,085.64 × 10,218.88
  4. Step 4: Simplify right side
    18,176.14x = 256,347,144.88
  5. Step 5: Solve for x
    x = 256,347,144.88/18,176.14
  6. Step 6: Final answer
    x = 14,103.50

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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.