Home / 18,631.57-27,951.27-5,482.84

Finding the Fourth Proportional to 18,631.57, 27,951.27 and 5,482.84

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Solution

The fourth proportional to 18,631.57, 27,951.27 and 5,482.84 is: 8,225.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,631.57 : 27,951.27 = 5,482.84 : x
  2. Step 2: Convert to fraction form
    18,631.57/27,951.27 = 5,482.84/x
  3. Step 3: Cross multiply
    18,631.57x = 27,951.27 × 5,482.84
  4. Step 4: Simplify right side
    18,631.57x = 153,252,341.21
  5. Step 5: Solve for x
    x = 153,252,341.21/18,631.57
  6. Step 6: Final answer
    x = 8,225.41

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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.