Home / 19,206.42-28,818.95-8,683.71

Finding the Fourth Proportional to 19,206.42, 28,818.95 and 8,683.71

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Solution

The fourth proportional to 19,206.42, 28,818.95 and 8,683.71 is: 13,029.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,206.42 : 28,818.95 = 8,683.71 : x
  2. Step 2: Convert to fraction form
    19,206.42/28,818.95 = 8,683.71/x
  3. Step 3: Cross multiply
    19,206.42x = 28,818.95 × 8,683.71
  4. Step 4: Simplify right side
    19,206.42x = 250,255,360.89
  5. Step 5: Solve for x
    x = 250,255,360.89/19,206.42
  6. Step 6: Final answer
    x = 13,029.78

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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.