Home / 35,774.05-53,661.08-12,400.49

Finding the Fourth Proportional to 35,774.05, 53,661.08 and 12,400.49

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Solution

The fourth proportional to 35,774.05, 53,661.08 and 12,400.49 is: 18,600.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,774.05 : 53,661.08 = 12,400.49 : x
  2. Step 2: Convert to fraction form
    35,774.05/53,661.08 = 12,400.49/x
  3. Step 3: Cross multiply
    35,774.05x = 53,661.08 × 12,400.49
  4. Step 4: Simplify right side
    35,774.05x = 665,423,355.62
  5. Step 5: Solve for x
    x = 665,423,355.62/35,774.05
  6. Step 6: Final answer
    x = 18,600.73

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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.