Home / 13,057.84-19,580.18-6,394.86

Finding the Fourth Proportional to 13,057.84, 19,580.18 and 6,394.86

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Solution

The fourth proportional to 13,057.84, 19,580.18 and 6,394.86 is: 9,589.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,057.84 : 19,580.18 = 6,394.86 : x
  2. Step 2: Convert to fraction form
    13,057.84/19,580.18 = 6,394.86/x
  3. Step 3: Cross multiply
    13,057.84x = 19,580.18 × 6,394.86
  4. Step 4: Simplify right side
    13,057.84x = 125,212,509.87
  5. Step 5: Solve for x
    x = 125,212,509.87/13,057.84
  6. Step 6: Final answer
    x = 9,589.07

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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.