Home / 18,941.15-26,123.43-16,667.58

Finding the Fourth Proportional to 18,941.15, 26,123.43 and 16,667.58

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Solution

The fourth proportional to 18,941.15, 26,123.43 and 16,667.58 is: 22,987.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,941.15 : 26,123.43 = 16,667.58 : x
  2. Step 2: Convert to fraction form
    18,941.15/26,123.43 = 16,667.58/x
  3. Step 3: Cross multiply
    18,941.15x = 26,123.43 × 16,667.58
  4. Step 4: Simplify right side
    18,941.15x = 435,414,359.40
  5. Step 5: Solve for x
    x = 435,414,359.40/18,941.15
  6. Step 6: Final answer
    x = 22,987.75

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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.