Home / 18,273.39-27,401.57-9,505.95

Finding the Fourth Proportional to 18,273.39, 27,401.57 and 9,505.95

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Solution

The fourth proportional to 18,273.39, 27,401.57 and 9,505.95 is: 14,254.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,273.39 : 27,401.57 = 9,505.95 : x
  2. Step 2: Convert to fraction form
    18,273.39/27,401.57 = 9,505.95/x
  3. Step 3: Cross multiply
    18,273.39x = 27,401.57 × 9,505.95
  4. Step 4: Simplify right side
    18,273.39x = 260,477,954.34
  5. Step 5: Solve for x
    x = 260,477,954.34/18,273.39
  6. Step 6: Final answer
    x = 14,254.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.