Home / 14,382.36-19,847.16-8,717.76

Finding the Fourth Proportional to 14,382.36, 19,847.16 and 8,717.76

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Solution

The fourth proportional to 14,382.36, 19,847.16 and 8,717.76 is: 12,030.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,382.36 : 19,847.16 = 8,717.76 : x
  2. Step 2: Convert to fraction form
    14,382.36/19,847.16 = 8,717.76/x
  3. Step 3: Cross multiply
    14,382.36x = 19,847.16 × 8,717.76
  4. Step 4: Simplify right side
    14,382.36x = 173,022,777.56
  5. Step 5: Solve for x
    x = 173,022,777.56/14,382.36
  6. Step 6: Final answer
    x = 12,030.21

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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.