Home / 10,663.20-14,714.21-10,304.91

Finding the Fourth Proportional to 10,663.20, 14,714.21 and 10,304.91

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Solution

The fourth proportional to 10,663.20, 14,714.21 and 10,304.91 is: 14,219.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,663.20 : 14,714.21 = 10,304.91 : x
  2. Step 2: Convert to fraction form
    10,663.20/14,714.21 = 10,304.91/x
  3. Step 3: Cross multiply
    10,663.20x = 14,714.21 × 10,304.91
  4. Step 4: Simplify right side
    10,663.20x = 151,628,609.77
  5. Step 5: Solve for x
    x = 151,628,609.77/10,663.20
  6. Step 6: Final answer
    x = 14,219.80

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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.