Home / 18,176.40-25,081.92-10,219.50

Finding the Fourth Proportional to 18,176.40, 25,081.92 and 10,219.50

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Solution

The fourth proportional to 18,176.40, 25,081.92 and 10,219.50 is: 14,102.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,176.40 : 25,081.92 = 10,219.50 : x
  2. Step 2: Convert to fraction form
    18,176.40/25,081.92 = 10,219.50/x
  3. Step 3: Cross multiply
    18,176.40x = 25,081.92 × 10,219.50
  4. Step 4: Simplify right side
    18,176.40x = 256,324,681.44
  5. Step 5: Solve for x
    x = 256,324,681.44/18,176.40
  6. Step 6: Final answer
    x = 14,102.06

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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.