Home / 36,425.84-54,631.38-12,734.40

Finding the Fourth Proportional to 36,425.84, 54,631.38 and 12,734.40

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Solution

The fourth proportional to 36,425.84, 54,631.38 and 12,734.40 is: 19,099.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,425.84 : 54,631.38 = 12,734.40 : x
  2. Step 2: Convert to fraction form
    36,425.84/54,631.38 = 12,734.40/x
  3. Step 3: Cross multiply
    36,425.84x = 54,631.38 × 12,734.40
  4. Step 4: Simplify right side
    36,425.84x = 695,697,845.47
  5. Step 5: Solve for x
    x = 695,697,845.47/36,425.84
  6. Step 6: Final answer
    x = 19,099.02

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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.