Home / 14,829.12-20,463.30-8,113.50

Finding the Fourth Proportional to 14,829.12, 20,463.30 and 8,113.50

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Solution

The fourth proportional to 14,829.12, 20,463.30 and 8,113.50 is: 11,196.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,829.12 : 20,463.30 = 8,113.50 : x
  2. Step 2: Convert to fraction form
    14,829.12/20,463.30 = 8,113.50/x
  3. Step 3: Cross multiply
    14,829.12x = 20,463.30 × 8,113.50
  4. Step 4: Simplify right side
    14,829.12x = 166,028,984.55
  5. Step 5: Solve for x
    x = 166,028,984.55/14,829.12
  6. Step 6: Final answer
    x = 11,196.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.