Home / 19,422.96-29,134.46-8,322.45

Finding the Fourth Proportional to 19,422.96, 29,134.46 and 8,322.45

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Solution

The fourth proportional to 19,422.96, 29,134.46 and 8,322.45 is: 12,483.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,422.96 : 29,134.46 = 8,322.45 : x
  2. Step 2: Convert to fraction form
    19,422.96/29,134.46 = 8,322.45/x
  3. Step 3: Cross multiply
    19,422.96x = 29,134.46 × 8,322.45
  4. Step 4: Simplify right side
    19,422.96x = 242,470,045.01
  5. Step 5: Solve for x
    x = 242,470,045.01/19,422.96
  6. Step 6: Final answer
    x = 12,483.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.