Home / 18,177.41-25,085.55-10,219.61

Finding the Fourth Proportional to 18,177.41, 25,085.55 and 10,219.61

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Solution

The fourth proportional to 18,177.41, 25,085.55 and 10,219.61 is: 14,103.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,177.41 : 25,085.55 = 10,219.61 : x
  2. Step 2: Convert to fraction form
    18,177.41/25,085.55 = 10,219.61/x
  3. Step 3: Cross multiply
    18,177.41x = 25,085.55 × 10,219.61
  4. Step 4: Simplify right side
    18,177.41x = 256,364,537.64
  5. Step 5: Solve for x
    x = 256,364,537.64/18,177.41
  6. Step 6: Final answer
    x = 14,103.47

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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.