Home / 14,322.40-21,475.86-5,554.96

Finding the Fourth Proportional to 14,322.40, 21,475.86 and 5,554.96

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Solution

The fourth proportional to 14,322.40, 21,475.86 and 5,554.96 is: 8,329.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,322.40 : 21,475.86 = 5,554.96 : x
  2. Step 2: Convert to fraction form
    14,322.40/21,475.86 = 5,554.96/x
  3. Step 3: Cross multiply
    14,322.40x = 21,475.86 × 5,554.96
  4. Step 4: Simplify right side
    14,322.40x = 119,297,543.27
  5. Step 5: Solve for x
    x = 119,297,543.27/14,322.40
  6. Step 6: Final answer
    x = 8,329.44

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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.