Home / 18,448.11-25,455.96-10,488.60

Finding the Fourth Proportional to 18,448.11, 25,455.96 and 10,488.60

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Solution

The fourth proportional to 18,448.11, 25,455.96 and 10,488.60 is: 14,472.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,448.11 : 25,455.96 = 10,488.60 : x
  2. Step 2: Convert to fraction form
    18,448.11/25,455.96 = 10,488.60/x
  3. Step 3: Cross multiply
    18,448.11x = 25,455.96 × 10,488.60
  4. Step 4: Simplify right side
    18,448.11x = 266,997,382.06
  5. Step 5: Solve for x
    x = 266,997,382.06/18,448.11
  6. Step 6: Final answer
    x = 14,472.89

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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.