Home / 13,059.10-19,586.80-4,292.88

Finding the Fourth Proportional to 13,059.10, 19,586.80 and 4,292.88

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Solution

The fourth proportional to 13,059.10, 19,586.80 and 4,292.88 is: 6,438.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,059.10 : 19,586.80 = 4,292.88 : x
  2. Step 2: Convert to fraction form
    13,059.10/19,586.80 = 4,292.88/x
  3. Step 3: Cross multiply
    13,059.10x = 19,586.80 × 4,292.88
  4. Step 4: Simplify right side
    13,059.10x = 84,083,781.98
  5. Step 5: Solve for x
    x = 84,083,781.98/13,059.10
  6. Step 6: Final answer
    x = 6,438.71

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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.