Home / 19,264.76-28,856.25-12,577.62

Finding the Fourth Proportional to 19,264.76, 28,856.25 and 12,577.62

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Solution

The fourth proportional to 19,264.76, 28,856.25 and 12,577.62 is: 18,839.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,264.76 : 28,856.25 = 12,577.62 : x
  2. Step 2: Convert to fraction form
    19,264.76/28,856.25 = 12,577.62/x
  3. Step 3: Cross multiply
    19,264.76x = 28,856.25 × 12,577.62
  4. Step 4: Simplify right side
    19,264.76x = 362,942,947.13
  5. Step 5: Solve for x
    x = 362,942,947.13/19,264.76
  6. Step 6: Final answer
    x = 18,839.74

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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.