Home / 14,225.45-19,635.28-8,259.80

Finding the Fourth Proportional to 14,225.45, 19,635.28 and 8,259.80

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Solution

The fourth proportional to 14,225.45, 19,635.28 and 8,259.80 is: 11,400.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,225.45 : 19,635.28 = 8,259.80 : x
  2. Step 2: Convert to fraction form
    14,225.45/19,635.28 = 8,259.80/x
  3. Step 3: Cross multiply
    14,225.45x = 19,635.28 × 8,259.80
  4. Step 4: Simplify right side
    14,225.45x = 162,183,366.92
  5. Step 5: Solve for x
    x = 162,183,366.92/14,225.45
  6. Step 6: Final answer
    x = 11,400.93

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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.