Home / 14,591.52-20,135.47-8,623.74

Finding the Fourth Proportional to 14,591.52, 20,135.47 and 8,623.74

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Solution

The fourth proportional to 14,591.52, 20,135.47 and 8,623.74 is: 11,900.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,591.52 : 20,135.47 = 8,623.74 : x
  2. Step 2: Convert to fraction form
    14,591.52/20,135.47 = 8,623.74/x
  3. Step 3: Cross multiply
    14,591.52x = 20,135.47 × 8,623.74
  4. Step 4: Simplify right side
    14,591.52x = 173,643,107.93
  5. Step 5: Solve for x
    x = 173,643,107.93/14,591.52
  6. Step 6: Final answer
    x = 11,900.28

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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.