Home / 18,940.04-26,184.50-14,216.12

Finding the Fourth Proportional to 18,940.04, 26,184.50 and 14,216.12

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Solution

The fourth proportional to 18,940.04, 26,184.50 and 14,216.12 is: 19,653.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,940.04 : 26,184.50 = 14,216.12 : x
  2. Step 2: Convert to fraction form
    18,940.04/26,184.50 = 14,216.12/x
  3. Step 3: Cross multiply
    18,940.04x = 26,184.50 × 14,216.12
  4. Step 4: Simplify right side
    18,940.04x = 372,241,994.14
  5. Step 5: Solve for x
    x = 372,241,994.14/18,940.04
  6. Step 6: Final answer
    x = 19,653.71

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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.