Home / 19,151.20-28,727.57-6,672.47

Finding the Fourth Proportional to 19,151.20, 28,727.57 and 6,672.47

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Solution

The fourth proportional to 19,151.20, 28,727.57 and 6,672.47 is: 10,008.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,151.20 : 28,727.57 = 6,672.47 : x
  2. Step 2: Convert to fraction form
    19,151.20/28,727.57 = 6,672.47/x
  3. Step 3: Cross multiply
    19,151.20x = 28,727.57 × 6,672.47
  4. Step 4: Simplify right side
    19,151.20x = 191,683,849.00
  5. Step 5: Solve for x
    x = 191,683,849.00/19,151.20
  6. Step 6: Final answer
    x = 10,008.98

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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.