Home / 19,032.03-28,543.50-7,186.95

Finding the Fourth Proportional to 19,032.03, 28,543.50 and 7,186.95

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Solution

The fourth proportional to 19,032.03, 28,543.50 and 7,186.95 is: 10,778.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,032.03 : 28,543.50 = 7,186.95 : x
  2. Step 2: Convert to fraction form
    19,032.03/28,543.50 = 7,186.95/x
  3. Step 3: Cross multiply
    19,032.03x = 28,543.50 × 7,186.95
  4. Step 4: Simplify right side
    19,032.03x = 205,140,707.33
  5. Step 5: Solve for x
    x = 205,140,707.33/19,032.03
  6. Step 6: Final answer
    x = 10,778.71

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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.