Home / 19,215.46-28,827.46-5,890.30

Finding the Fourth Proportional to 19,215.46, 28,827.46 and 5,890.30

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Solution

The fourth proportional to 19,215.46, 28,827.46 and 5,890.30 is: 8,836.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,215.46 : 28,827.46 = 5,890.30 : x
  2. Step 2: Convert to fraction form
    19,215.46/28,827.46 = 5,890.30/x
  3. Step 3: Cross multiply
    19,215.46x = 28,827.46 × 5,890.30
  4. Step 4: Simplify right side
    19,215.46x = 169,802,387.64
  5. Step 5: Solve for x
    x = 169,802,387.64/19,215.46
  6. Step 6: Final answer
    x = 8,836.76

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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.