Home / 35,703.84-53,518.60-11,993.79

Finding the Fourth Proportional to 35,703.84, 53,518.60 and 11,993.79

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Solution

The fourth proportional to 35,703.84, 53,518.60 and 11,993.79 is: 17,978.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,703.84 : 53,518.60 = 11,993.79 : x
  2. Step 2: Convert to fraction form
    35,703.84/53,518.60 = 11,993.79/x
  3. Step 3: Cross multiply
    35,703.84x = 53,518.60 × 11,993.79
  4. Step 4: Simplify right side
    35,703.84x = 641,890,849.49
  5. Step 5: Solve for x
    x = 641,890,849.49/35,703.84
  6. Step 6: Final answer
    x = 17,978.20

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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.