Home / 22,225.27-30,670.45-12,153.68

Finding the Fourth Proportional to 22,225.27, 30,670.45 and 12,153.68

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Solution

The fourth proportional to 22,225.27, 30,670.45 and 12,153.68 is: 16,771.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,225.27 : 30,670.45 = 12,153.68 : x
  2. Step 2: Convert to fraction form
    22,225.27/30,670.45 = 12,153.68/x
  3. Step 3: Cross multiply
    22,225.27x = 30,670.45 × 12,153.68
  4. Step 4: Simplify right side
    22,225.27x = 372,758,895.42
  5. Step 5: Solve for x
    x = 372,758,895.42/22,225.27
  6. Step 6: Final answer
    x = 16,771.85

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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.