Home / 18,606.33-25,670.39-11,530.17

Finding the Fourth Proportional to 18,606.33, 25,670.39 and 11,530.17

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Solution

The fourth proportional to 18,606.33, 25,670.39 and 11,530.17 is: 15,907.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,606.33 : 25,670.39 = 11,530.17 : x
  2. Step 2: Convert to fraction form
    18,606.33/25,670.39 = 11,530.17/x
  3. Step 3: Cross multiply
    18,606.33x = 25,670.39 × 11,530.17
  4. Step 4: Simplify right side
    18,606.33x = 295,983,903.02
  5. Step 5: Solve for x
    x = 295,983,903.02/18,606.33
  6. Step 6: Final answer
    x = 15,907.70

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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.