Home / 19,074.36-28,618.29-8,543.55

Finding the Fourth Proportional to 19,074.36, 28,618.29 and 8,543.55

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Solution

The fourth proportional to 19,074.36, 28,618.29 and 8,543.55 is: 12,818.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,074.36 : 28,618.29 = 8,543.55 : x
  2. Step 2: Convert to fraction form
    19,074.36/28,618.29 = 8,543.55/x
  3. Step 3: Cross multiply
    19,074.36x = 28,618.29 × 8,543.55
  4. Step 4: Simplify right side
    19,074.36x = 244,501,791.53
  5. Step 5: Solve for x
    x = 244,501,791.53/19,074.36
  6. Step 6: Final answer
    x = 12,818.35

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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.