Home / 18,384.57-25,369.96-10,426.62

Finding the Fourth Proportional to 18,384.57, 25,369.96 and 10,426.62

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Solution

The fourth proportional to 18,384.57, 25,369.96 and 10,426.62 is: 14,388.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,384.57 : 25,369.96 = 10,426.62 : x
  2. Step 2: Convert to fraction form
    18,384.57/25,369.96 = 10,426.62/x
  3. Step 3: Cross multiply
    18,384.57x = 25,369.96 × 10,426.62
  4. Step 4: Simplify right side
    18,384.57x = 264,523,020.96
  5. Step 5: Solve for x
    x = 264,523,020.96/18,384.57
  6. Step 6: Final answer
    x = 14,388.32

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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.