Home / 18,357.96-25,329.30-10,399.08

Finding the Fourth Proportional to 18,357.96, 25,329.30 and 10,399.08

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Solution

The fourth proportional to 18,357.96, 25,329.30 and 10,399.08 is: 14,348.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,357.96 : 25,329.30 = 10,399.08 : x
  2. Step 2: Convert to fraction form
    18,357.96/25,329.30 = 10,399.08/x
  3. Step 3: Cross multiply
    18,357.96x = 25,329.30 × 10,399.08
  4. Step 4: Simplify right side
    18,357.96x = 263,401,417.04
  5. Step 5: Solve for x
    x = 263,401,417.04/18,357.96
  6. Step 6: Final answer
    x = 14,348.08

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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.