Home / 14,955.93-20,642.34-8,583.56

Finding the Fourth Proportional to 14,955.93, 20,642.34 and 8,583.56

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Solution

The fourth proportional to 14,955.93, 20,642.34 and 8,583.56 is: 11,847.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,955.93 : 20,642.34 = 8,583.56 : x
  2. Step 2: Convert to fraction form
    14,955.93/20,642.34 = 8,583.56/x
  3. Step 3: Cross multiply
    14,955.93x = 20,642.34 × 8,583.56
  4. Step 4: Simplify right side
    14,955.93x = 177,184,660.72
  5. Step 5: Solve for x
    x = 177,184,660.72/14,955.93
  6. Step 6: Final answer
    x = 11,847.12

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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.