Home / 20,829.17-28,714.34-14,850.46

Finding the Fourth Proportional to 20,829.17, 28,714.34 and 14,850.46

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Solution

The fourth proportional to 20,829.17, 28,714.34 and 14,850.46 is: 20,472.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,829.17 : 28,714.34 = 14,850.46 : x
  2. Step 2: Convert to fraction form
    20,829.17/28,714.34 = 14,850.46/x
  3. Step 3: Cross multiply
    20,829.17x = 28,714.34 × 14,850.46
  4. Step 4: Simplify right side
    20,829.17x = 426,421,122.94
  5. Step 5: Solve for x
    x = 426,421,122.94/20,829.17
  6. Step 6: Final answer
    x = 20,472.31

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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.