Home / 18,958.98-26,149.85-16,436.58

Finding the Fourth Proportional to 18,958.98, 26,149.85 and 16,436.58

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Solution

The fourth proportional to 18,958.98, 26,149.85 and 16,436.58 is: 22,670.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,958.98 : 26,149.85 = 16,436.58 : x
  2. Step 2: Convert to fraction form
    18,958.98/26,149.85 = 16,436.58/x
  3. Step 3: Cross multiply
    18,958.98x = 26,149.85 × 16,436.58
  4. Step 4: Simplify right side
    18,958.98x = 429,814,101.51
  5. Step 5: Solve for x
    x = 429,814,101.51/18,958.98
  6. Step 6: Final answer
    x = 22,670.74

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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.