Home / 16,454.88-22,703.76-9,378.72

Finding the Fourth Proportional to 16,454.88, 22,703.76 and 9,378.72

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Solution

The fourth proportional to 16,454.88, 22,703.76 and 9,378.72 is: 12,940.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,454.88 : 22,703.76 = 9,378.72 : x
  2. Step 2: Convert to fraction form
    16,454.88/22,703.76 = 9,378.72/x
  3. Step 3: Cross multiply
    16,454.88x = 22,703.76 × 9,378.72
  4. Step 4: Simplify right side
    16,454.88x = 212,932,207.99
  5. Step 5: Solve for x
    x = 212,932,207.99/16,454.88
  6. Step 6: Final answer
    x = 12,940.37

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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.