Home / 18,363.24-25,337.10-10,403.64

Finding the Fourth Proportional to 18,363.24, 25,337.10 and 10,403.64

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Solution

The fourth proportional to 18,363.24, 25,337.10 and 10,403.64 is: 14,354.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,363.24 : 25,337.10 = 10,403.64 : x
  2. Step 2: Convert to fraction form
    18,363.24/25,337.10 = 10,403.64/x
  3. Step 3: Cross multiply
    18,363.24x = 25,337.10 × 10,403.64
  4. Step 4: Simplify right side
    18,363.24x = 263,598,067.04
  5. Step 5: Solve for x
    x = 263,598,067.04/18,363.24
  6. Step 6: Final answer
    x = 14,354.66

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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.