Home / 14,297.52-21,446.64-3,909.36

Finding the Fourth Proportional to 14,297.52, 21,446.64 and 3,909.36

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Solution

The fourth proportional to 14,297.52, 21,446.64 and 3,909.36 is: 5,864.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,297.52 : 21,446.64 = 3,909.36 : x
  2. Step 2: Convert to fraction form
    14,297.52/21,446.64 = 3,909.36/x
  3. Step 3: Cross multiply
    14,297.52x = 21,446.64 × 3,909.36
  4. Step 4: Simplify right side
    14,297.52x = 83,842,636.55
  5. Step 5: Solve for x
    x = 83,842,636.55/14,297.52
  6. Step 6: Final answer
    x = 5,864.14

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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.