Home / 21,476.64-32,209.12-5,890.56

Finding the Fourth Proportional to 21,476.64, 32,209.12 and 5,890.56

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Solution

The fourth proportional to 21,476.64, 32,209.12 and 5,890.56 is: 8,834.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,476.64 : 32,209.12 = 5,890.56 : x
  2. Step 2: Convert to fraction form
    21,476.64/32,209.12 = 5,890.56/x
  3. Step 3: Cross multiply
    21,476.64x = 32,209.12 × 5,890.56
  4. Step 4: Simplify right side
    21,476.64x = 189,729,753.91
  5. Step 5: Solve for x
    x = 189,729,753.91/21,476.64
  6. Step 6: Final answer
    x = 8,834.24

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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.