Home / 19,125.68-28,677.38-7,425.23

Finding the Fourth Proportional to 19,125.68, 28,677.38 and 7,425.23

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Solution

The fourth proportional to 19,125.68, 28,677.38 and 7,425.23 is: 11,133.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,125.68 : 28,677.38 = 7,425.23 : x
  2. Step 2: Convert to fraction form
    19,125.68/28,677.38 = 7,425.23/x
  3. Step 3: Cross multiply
    19,125.68x = 28,677.38 × 7,425.23
  4. Step 4: Simplify right side
    19,125.68x = 212,935,961.78
  5. Step 5: Solve for x
    x = 212,935,961.78/19,125.68
  6. Step 6: Final answer
    x = 11,133.51

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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.