Home / 14,826.95-20,463.49-8,453.55

Finding the Fourth Proportional to 14,826.95, 20,463.49 and 8,453.55

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Solution

The fourth proportional to 14,826.95, 20,463.49 and 8,453.55 is: 11,667.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,826.95 : 20,463.49 = 8,453.55 : x
  2. Step 2: Convert to fraction form
    14,826.95/20,463.49 = 8,453.55/x
  3. Step 3: Cross multiply
    14,826.95x = 20,463.49 × 8,453.55
  4. Step 4: Simplify right side
    14,826.95x = 172,989,146.87
  5. Step 5: Solve for x
    x = 172,989,146.87/14,826.95
  6. Step 6: Final answer
    x = 11,667.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.