Home / 14,977.56-20,670.42-8,605.04

Finding the Fourth Proportional to 14,977.56, 20,670.42 and 8,605.04

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Solution

The fourth proportional to 14,977.56, 20,670.42 and 8,605.04 is: 11,875.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,977.56 : 20,670.42 = 8,605.04 : x
  2. Step 2: Convert to fraction form
    14,977.56/20,670.42 = 8,605.04/x
  3. Step 3: Cross multiply
    14,977.56x = 20,670.42 × 8,605.04
  4. Step 4: Simplify right side
    14,977.56x = 177,869,790.92
  5. Step 5: Solve for x
    x = 177,869,790.92/14,977.56
  6. Step 6: Final answer
    x = 11,875.75

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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.