Home / 18,299.28-25,252.64-12,011.26

Finding the Fourth Proportional to 18,299.28, 25,252.64 and 12,011.26

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Solution

The fourth proportional to 18,299.28, 25,252.64 and 12,011.26 is: 16,575.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,299.28 : 25,252.64 = 12,011.26 : x
  2. Step 2: Convert to fraction form
    18,299.28/25,252.64 = 12,011.26/x
  3. Step 3: Cross multiply
    18,299.28x = 25,252.64 × 12,011.26
  4. Step 4: Simplify right side
    18,299.28x = 303,316,024.73
  5. Step 5: Solve for x
    x = 303,316,024.73/18,299.28
  6. Step 6: Final answer
    x = 16,575.30

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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.