Home / 19,151.09-28,737.87-8,056.92

Finding the Fourth Proportional to 19,151.09, 28,737.87 and 8,056.92

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Solution

The fourth proportional to 19,151.09, 28,737.87 and 8,056.92 is: 12,090.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,151.09 : 28,737.87 = 8,056.92 : x
  2. Step 2: Convert to fraction form
    19,151.09/28,737.87 = 8,056.92/x
  3. Step 3: Cross multiply
    19,151.09x = 28,737.87 × 8,056.92
  4. Step 4: Simplify right side
    19,151.09x = 231,538,679.28
  5. Step 5: Solve for x
    x = 231,538,679.28/19,151.09
  6. Step 6: Final answer
    x = 12,090.11

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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.