Home / 14,265.14-21,417.87-7,714.58

Finding the Fourth Proportional to 14,265.14, 21,417.87 and 7,714.58

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Solution

The fourth proportional to 14,265.14, 21,417.87 and 7,714.58 is: 11,582.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,265.14 : 21,417.87 = 7,714.58 : x
  2. Step 2: Convert to fraction form
    14,265.14/21,417.87 = 7,714.58/x
  3. Step 3: Cross multiply
    14,265.14x = 21,417.87 × 7,714.58
  4. Step 4: Simplify right side
    14,265.14x = 165,229,871.54
  5. Step 5: Solve for x
    x = 165,229,871.54/14,265.14
  6. Step 6: Final answer
    x = 11,582.77

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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.