Home / 18,384.44-25,372.40-10,833.12

Finding the Fourth Proportional to 18,384.44, 25,372.40 and 10,833.12

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Solution

The fourth proportional to 18,384.44, 25,372.40 and 10,833.12 is: 14,950.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,384.44 : 25,372.40 = 10,833.12 : x
  2. Step 2: Convert to fraction form
    18,384.44/25,372.40 = 10,833.12/x
  3. Step 3: Cross multiply
    18,384.44x = 25,372.40 × 10,833.12
  4. Step 4: Simplify right side
    18,384.44x = 274,862,199.72
  5. Step 5: Solve for x
    x = 274,862,199.72/18,384.44
  6. Step 6: Final answer
    x = 14,950.81

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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.