Home / 13,966.15-20,956.05-6,571.34

Finding the Fourth Proportional to 13,966.15, 20,956.05 and 6,571.34

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Solution

The fourth proportional to 13,966.15, 20,956.05 and 6,571.34 is: 9,860.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,966.15 : 20,956.05 = 6,571.34 : x
  2. Step 2: Convert to fraction form
    13,966.15/20,956.05 = 6,571.34/x
  3. Step 3: Cross multiply
    13,966.15x = 20,956.05 × 6,571.34
  4. Step 4: Simplify right side
    13,966.15x = 137,709,329.61
  5. Step 5: Solve for x
    x = 137,709,329.61/13,966.15
  6. Step 6: Final answer
    x = 9,860.22

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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.