Home / 18,430.14-25,256.49-16,658.76

Finding the Fourth Proportional to 18,430.14, 25,256.49 and 16,658.76

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Solution

The fourth proportional to 18,430.14, 25,256.49 and 16,658.76 is: 22,829.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,430.14 : 25,256.49 = 16,658.76 : x
  2. Step 2: Convert to fraction form
    18,430.14/25,256.49 = 16,658.76/x
  3. Step 3: Cross multiply
    18,430.14x = 25,256.49 × 16,658.76
  4. Step 4: Simplify right side
    18,430.14x = 420,741,805.35
  5. Step 5: Solve for x
    x = 420,741,805.35/18,430.14
  6. Step 6: Final answer
    x = 22,829.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.