Home / 14,295.40-21,443.94-5,530.36

Finding the Fourth Proportional to 14,295.40, 21,443.94 and 5,530.36

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Solution

The fourth proportional to 14,295.40, 21,443.94 and 5,530.36 is: 8,295.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,295.40 : 21,443.94 = 5,530.36 : x
  2. Step 2: Convert to fraction form
    14,295.40/21,443.94 = 5,530.36/x
  3. Step 3: Cross multiply
    14,295.40x = 21,443.94 × 5,530.36
  4. Step 4: Simplify right side
    14,295.40x = 118,592,708.02
  5. Step 5: Solve for x
    x = 118,592,708.02/14,295.40
  6. Step 6: Final answer
    x = 8,295.86

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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.