Home / 19,039.49-28,561.14-6,557.85

Finding the Fourth Proportional to 19,039.49, 28,561.14 and 6,557.85

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Solution

The fourth proportional to 19,039.49, 28,561.14 and 6,557.85 is: 9,837.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,039.49 : 28,561.14 = 6,557.85 : x
  2. Step 2: Convert to fraction form
    19,039.49/28,561.14 = 6,557.85/x
  3. Step 3: Cross multiply
    19,039.49x = 28,561.14 × 6,557.85
  4. Step 4: Simplify right side
    19,039.49x = 187,299,671.95
  5. Step 5: Solve for x
    x = 187,299,671.95/19,039.49
  6. Step 6: Final answer
    x = 9,837.43

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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.