Home / 13,962.16-20,949.99-6,941.62

Finding the Fourth Proportional to 13,962.16, 20,949.99 and 6,941.62

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Solution

The fourth proportional to 13,962.16, 20,949.99 and 6,941.62 is: 10,415.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,962.16 : 20,949.99 = 6,941.62 : x
  2. Step 2: Convert to fraction form
    13,962.16/20,949.99 = 6,941.62/x
  3. Step 3: Cross multiply
    13,962.16x = 20,949.99 × 6,941.62
  4. Step 4: Simplify right side
    13,962.16x = 145,426,869.58
  5. Step 5: Solve for x
    x = 145,426,869.58/13,962.16
  6. Step 6: Final answer
    x = 10,415.79

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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.