Home / 13,176.65-19,764.93-4,411.55

Finding the Fourth Proportional to 13,176.65, 19,764.93 and 4,411.55

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Solution

The fourth proportional to 13,176.65, 19,764.93 and 4,411.55 is: 6,617.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,176.65 : 19,764.93 = 4,411.55 : x
  2. Step 2: Convert to fraction form
    13,176.65/19,764.93 = 4,411.55/x
  3. Step 3: Cross multiply
    13,176.65x = 19,764.93 × 4,411.55
  4. Step 4: Simplify right side
    13,176.65x = 87,193,976.94
  5. Step 5: Solve for x
    x = 87,193,976.94/13,176.65
  6. Step 6: Final answer
    x = 6,617.31

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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.