Home / 14,399.92-19,870.51-8,025.90

Finding the Fourth Proportional to 14,399.92, 19,870.51 and 8,025.90

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Solution

The fourth proportional to 14,399.92, 19,870.51 and 8,025.90 is: 11,074.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,399.92 : 19,870.51 = 8,025.90 : x
  2. Step 2: Convert to fraction form
    14,399.92/19,870.51 = 8,025.90/x
  3. Step 3: Cross multiply
    14,399.92x = 19,870.51 × 8,025.90
  4. Step 4: Simplify right side
    14,399.92x = 159,478,726.21
  5. Step 5: Solve for x
    x = 159,478,726.21/14,399.92
  6. Step 6: Final answer
    x = 11,074.97

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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.