Home / 18,965.61-26,184.87-16,972.74

Finding the Fourth Proportional to 18,965.61, 26,184.87 and 16,972.74

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Solution

The fourth proportional to 18,965.61, 26,184.87 and 16,972.74 is: 23,433.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,965.61 : 26,184.87 = 16,972.74 : x
  2. Step 2: Convert to fraction form
    18,965.61/26,184.87 = 16,972.74/x
  3. Step 3: Cross multiply
    18,965.61x = 26,184.87 × 16,972.74
  4. Step 4: Simplify right side
    18,965.61x = 444,428,990.44
  5. Step 5: Solve for x
    x = 444,428,990.44/18,965.61
  6. Step 6: Final answer
    x = 23,433.41

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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.