Home / 18,299.78-25,264.41-12,023.18

Finding the Fourth Proportional to 18,299.78, 25,264.41 and 12,023.18

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Solution

The fourth proportional to 18,299.78, 25,264.41 and 12,023.18 is: 16,599.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,299.78 : 25,264.41 = 12,023.18 : x
  2. Step 2: Convert to fraction form
    18,299.78/25,264.41 = 12,023.18/x
  3. Step 3: Cross multiply
    18,299.78x = 25,264.41 × 12,023.18
  4. Step 4: Simplify right side
    18,299.78x = 303,758,549.02
  5. Step 5: Solve for x
    x = 303,758,549.02/18,299.78
  6. Step 6: Final answer
    x = 16,599.03

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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.