Home / 16,947.88-25,430.68-12,306.22

Finding the Fourth Proportional to 16,947.88, 25,430.68 and 12,306.22

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Solution

The fourth proportional to 16,947.88, 25,430.68 and 12,306.22 is: 18,465.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,947.88 : 25,430.68 = 12,306.22 : x
  2. Step 2: Convert to fraction form
    16,947.88/25,430.68 = 12,306.22/x
  3. Step 3: Cross multiply
    16,947.88x = 25,430.68 × 12,306.22
  4. Step 4: Simplify right side
    16,947.88x = 312,955,542.83
  5. Step 5: Solve for x
    x = 312,955,542.83/16,947.88
  6. Step 6: Final answer
    x = 18,465.76

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1.5x scale

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.