Home / 36,492.14-54,752.69-13,120.40

Finding the Fourth Proportional to 36,492.14, 54,752.69 and 13,120.40

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Solution

The fourth proportional to 36,492.14, 54,752.69 and 13,120.40 is: 19,685.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,492.14 : 54,752.69 = 13,120.40 : x
  2. Step 2: Convert to fraction form
    36,492.14/54,752.69 = 13,120.40/x
  3. Step 3: Cross multiply
    36,492.14x = 54,752.69 × 13,120.40
  4. Step 4: Simplify right side
    36,492.14x = 718,377,363.56
  5. Step 5: Solve for x
    x = 718,377,363.56/36,492.14
  6. Step 6: Final answer
    x = 19,685.81

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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.