Home / 18,429.66-25,433.64-10,473.30

Finding the Fourth Proportional to 18,429.66, 25,433.64 and 10,473.30

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Solution

The fourth proportional to 18,429.66, 25,433.64 and 10,473.30 is: 14,453.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,429.66 : 25,433.64 = 10,473.30 : x
  2. Step 2: Convert to fraction form
    18,429.66/25,433.64 = 10,473.30/x
  3. Step 3: Cross multiply
    18,429.66x = 25,433.64 × 10,473.30
  4. Step 4: Simplify right side
    18,429.66x = 266,374,141.81
  5. Step 5: Solve for x
    x = 266,374,141.81/18,429.66
  6. Step 6: Final answer
    x = 14,453.56

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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.