Home / 14,813.72-22,220.58-4,425.47

Finding the Fourth Proportional to 14,813.72, 22,220.58 and 4,425.47

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Solution

The fourth proportional to 14,813.72, 22,220.58 and 4,425.47 is: 6,638.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,813.72 : 22,220.58 = 4,425.47 : x
  2. Step 2: Convert to fraction form
    14,813.72/22,220.58 = 4,425.47/x
  3. Step 3: Cross multiply
    14,813.72x = 22,220.58 × 4,425.47
  4. Step 4: Simplify right side
    14,813.72x = 98,336,474.10
  5. Step 5: Solve for x
    x = 98,336,474.10/14,813.72
  6. Step 6: Final answer
    x = 6,638.20

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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.