Home / 14,929.10-20,600.43-10,220.30

Finding the Fourth Proportional to 14,929.10, 20,600.43 and 10,220.30

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Solution

The fourth proportional to 14,929.10, 20,600.43 and 10,220.30 is: 14,102.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,929.10 : 20,600.43 = 10,220.30 : x
  2. Step 2: Convert to fraction form
    14,929.10/20,600.43 = 10,220.30/x
  3. Step 3: Cross multiply
    14,929.10x = 20,600.43 × 10,220.30
  4. Step 4: Simplify right side
    14,929.10x = 210,542,574.73
  5. Step 5: Solve for x
    x = 210,542,574.73/14,929.10
  6. Step 6: Final answer
    x = 14,102.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.