Home / 18,867.64-26,045.40-11,792.56

Finding the Fourth Proportional to 18,867.64, 26,045.40 and 11,792.56

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Solution

The fourth proportional to 18,867.64, 26,045.40 and 11,792.56 is: 16,278.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,867.64 : 26,045.40 = 11,792.56 : x
  2. Step 2: Convert to fraction form
    18,867.64/26,045.40 = 11,792.56/x
  3. Step 3: Cross multiply
    18,867.64x = 26,045.40 × 11,792.56
  4. Step 4: Simplify right side
    18,867.64x = 307,141,942.22
  5. Step 5: Solve for x
    x = 307,141,942.22/18,867.64
  6. Step 6: Final answer
    x = 16,278.77

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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.