Home / 18,323.16-25,274.71-16,191.85

Finding the Fourth Proportional to 18,323.16, 25,274.71 and 16,191.85

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Solution

The fourth proportional to 18,323.16, 25,274.71 and 16,191.85 is: 22,334.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,323.16 : 25,274.71 = 16,191.85 : x
  2. Step 2: Convert to fraction form
    18,323.16/25,274.71 = 16,191.85/x
  3. Step 3: Cross multiply
    18,323.16x = 25,274.71 × 16,191.85
  4. Step 4: Simplify right side
    18,323.16x = 409,244,313.11
  5. Step 5: Solve for x
    x = 409,244,313.11/18,323.16
  6. Step 6: Final answer
    x = 22,334.81

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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.