Home / 18,964.88-26,181.38-13,854.66

Finding the Fourth Proportional to 18,964.88, 26,181.38 and 13,854.66

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Solution

The fourth proportional to 18,964.88, 26,181.38 and 13,854.66 is: 19,126.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,964.88 : 26,181.38 = 13,854.66 : x
  2. Step 2: Convert to fraction form
    18,964.88/26,181.38 = 13,854.66/x
  3. Step 3: Cross multiply
    18,964.88x = 26,181.38 × 13,854.66
  4. Step 4: Simplify right side
    18,964.88x = 362,734,225.07
  5. Step 5: Solve for x
    x = 362,734,225.07/18,964.88
  6. Step 6: Final answer
    x = 19,126.63

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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.