Home / 30,225.54-45,306.57-11,493.90

Finding the Fourth Proportional to 30,225.54, 45,306.57 and 11,493.90

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Solution

The fourth proportional to 30,225.54, 45,306.57 and 11,493.90 is: 17,228.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,225.54 : 45,306.57 = 11,493.90 : x
  2. Step 2: Convert to fraction form
    30,225.54/45,306.57 = 11,493.90/x
  3. Step 3: Cross multiply
    30,225.54x = 45,306.57 × 11,493.90
  4. Step 4: Simplify right side
    30,225.54x = 520,749,184.92
  5. Step 5: Solve for x
    x = 520,749,184.92/30,225.54
  6. Step 6: Final answer
    x = 17,228.78

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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.