Home / 14,775.28-22,127.68-8,522.21

Finding the Fourth Proportional to 14,775.28, 22,127.68 and 8,522.21

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Solution

The fourth proportional to 14,775.28, 22,127.68 and 8,522.21 is: 12,762.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,775.28 : 22,127.68 = 8,522.21 : x
  2. Step 2: Convert to fraction form
    14,775.28/22,127.68 = 8,522.21/x
  3. Step 3: Cross multiply
    14,775.28x = 22,127.68 × 8,522.21
  4. Step 4: Simplify right side
    14,775.28x = 188,576,735.77
  5. Step 5: Solve for x
    x = 188,576,735.77/14,775.28
  6. Step 6: Final answer
    x = 12,762.99

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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.