Home / 18,910.45-26,132.39-14,186.53

Finding the Fourth Proportional to 18,910.45, 26,132.39 and 14,186.53

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Solution

The fourth proportional to 18,910.45, 26,132.39 and 14,186.53 is: 19,604.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,910.45 : 26,132.39 = 14,186.53 : x
  2. Step 2: Convert to fraction form
    18,910.45/26,132.39 = 14,186.53/x
  3. Step 3: Cross multiply
    18,910.45x = 26,132.39 × 14,186.53
  4. Step 4: Simplify right side
    18,910.45x = 370,727,934.71
  5. Step 5: Solve for x
    x = 370,727,934.71/18,910.45
  6. Step 6: Final answer
    x = 19,604.40

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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.