Home / 19,251.92-28,875.06-5,212.76

Finding the Fourth Proportional to 19,251.92, 28,875.06 and 5,212.76

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Solution

The fourth proportional to 19,251.92, 28,875.06 and 5,212.76 is: 7,818.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,251.92 : 28,875.06 = 5,212.76 : x
  2. Step 2: Convert to fraction form
    19,251.92/28,875.06 = 5,212.76/x
  3. Step 3: Cross multiply
    19,251.92x = 28,875.06 × 5,212.76
  4. Step 4: Simplify right side
    19,251.92x = 150,518,757.77
  5. Step 5: Solve for x
    x = 150,518,757.77/19,251.92
  6. Step 6: Final answer
    x = 7,818.38

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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.