Home / 14,887.52-20,545.01-8,173.06

Finding the Fourth Proportional to 14,887.52, 20,545.01 and 8,173.06

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Solution

The fourth proportional to 14,887.52, 20,545.01 and 8,173.06 is: 11,278.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,887.52 : 20,545.01 = 8,173.06 : x
  2. Step 2: Convert to fraction form
    14,887.52/20,545.01 = 8,173.06/x
  3. Step 3: Cross multiply
    14,887.52x = 20,545.01 × 8,173.06
  4. Step 4: Simplify right side
    14,887.52x = 167,915,599.43
  5. Step 5: Solve for x
    x = 167,915,599.43/14,887.52
  6. Step 6: Final answer
    x = 11,278.95

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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.