Home / 18,395.10-25,384.88-10,328.96

Finding the Fourth Proportional to 18,395.10, 25,384.88 and 10,328.96

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Solution

The fourth proportional to 18,395.10, 25,384.88 and 10,328.96 is: 14,253.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,395.10 : 25,384.88 = 10,328.96 : x
  2. Step 2: Convert to fraction form
    18,395.10/25,384.88 = 10,328.96/x
  3. Step 3: Cross multiply
    18,395.10x = 25,384.88 × 10,328.96
  4. Step 4: Simplify right side
    18,395.10x = 262,199,231.56
  5. Step 5: Solve for x
    x = 262,199,231.56/18,395.10
  6. Step 6: Final answer
    x = 14,253.75

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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.