Home / 19,586.91-29,376.61-5,543.55

Finding the Fourth Proportional to 19,586.91, 29,376.61 and 5,543.55

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Solution

The fourth proportional to 19,586.91, 29,376.61 and 5,543.55 is: 8,314.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,586.91 : 29,376.61 = 5,543.55 : x
  2. Step 2: Convert to fraction form
    19,586.91/29,376.61 = 5,543.55/x
  3. Step 3: Cross multiply
    19,586.91x = 29,376.61 × 5,543.55
  4. Step 4: Simplify right side
    19,586.91x = 162,850,723.69
  5. Step 5: Solve for x
    x = 162,850,723.69/19,586.91
  6. Step 6: Final answer
    x = 8,314.26

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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.