Home / 13,134.96-19,703.16-3,901.68

Finding the Fourth Proportional to 13,134.96, 19,703.16 and 3,901.68

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Solution

The fourth proportional to 13,134.96, 19,703.16 and 3,901.68 is: 5,852.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,134.96 : 19,703.16 = 3,901.68 : x
  2. Step 2: Convert to fraction form
    13,134.96/19,703.16 = 3,901.68/x
  3. Step 3: Cross multiply
    13,134.96x = 19,703.16 × 3,901.68
  4. Step 4: Simplify right side
    13,134.96x = 76,875,425.31
  5. Step 5: Solve for x
    x = 76,875,425.31/13,134.96
  6. Step 6: Final answer
    x = 5,852.73

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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.