Home / 18,436.29-25,442.04-10,052.79

Finding the Fourth Proportional to 18,436.29, 25,442.04 and 10,052.79

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Solution

The fourth proportional to 18,436.29, 25,442.04 and 10,052.79 is: 13,872.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,436.29 : 25,442.04 = 10,052.79 : x
  2. Step 2: Convert to fraction form
    18,436.29/25,442.04 = 10,052.79/x
  3. Step 3: Cross multiply
    18,436.29x = 25,442.04 × 10,052.79
  4. Step 4: Simplify right side
    18,436.29x = 255,763,485.29
  5. Step 5: Solve for x
    x = 255,763,485.29/18,436.29
  6. Step 6: Final answer
    x = 13,872.83

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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.