Home / 14,904.75-20,568.56-8,617.53

Finding the Fourth Proportional to 14,904.75, 20,568.56 and 8,617.53

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Solution

The fourth proportional to 14,904.75, 20,568.56 and 8,617.53 is: 11,892.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,904.75 : 20,568.56 = 8,617.53 : x
  2. Step 2: Convert to fraction form
    14,904.75/20,568.56 = 8,617.53/x
  3. Step 3: Cross multiply
    14,904.75x = 20,568.56 × 8,617.53
  4. Step 4: Simplify right side
    14,904.75x = 177,250,139.77
  5. Step 5: Solve for x
    x = 177,250,139.77/14,904.75
  6. Step 6: Final answer
    x = 11,892.19

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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.