Home / 35,711.78-53,577.70-13,222.12

Finding the Fourth Proportional to 35,711.78, 53,577.70 and 13,222.12

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Solution

The fourth proportional to 35,711.78, 53,577.70 and 13,222.12 is: 19,836.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,711.78 : 53,577.70 = 13,222.12 : x
  2. Step 2: Convert to fraction form
    35,711.78/53,577.70 = 13,222.12/x
  3. Step 3: Cross multiply
    35,711.78x = 53,577.70 × 13,222.12
  4. Step 4: Simplify right side
    35,711.78x = 708,410,778.72
  5. Step 5: Solve for x
    x = 708,410,778.72/35,711.78
  6. Step 6: Final answer
    x = 19,836.89

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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.