Home / 14,101.48-21,152.38-3,714.28

Finding the Fourth Proportional to 14,101.48, 21,152.38 and 3,714.28

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Solution

The fourth proportional to 14,101.48, 21,152.38 and 3,714.28 is: 5,571.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,101.48 : 21,152.38 = 3,714.28 : x
  2. Step 2: Convert to fraction form
    14,101.48/21,152.38 = 3,714.28/x
  3. Step 3: Cross multiply
    14,101.48x = 21,152.38 × 3,714.28
  4. Step 4: Simplify right side
    14,101.48x = 78,565,861.99
  5. Step 5: Solve for x
    x = 78,565,861.99/14,101.48
  6. Step 6: Final answer
    x = 5,571.46

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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.