Home / 22,224.91-30,670.40-12,153.39

Finding the Fourth Proportional to 22,224.91, 30,670.40 and 12,153.39

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Solution

The fourth proportional to 22,224.91, 30,670.40 and 12,153.39 is: 16,771.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,224.91 : 30,670.40 = 12,153.39 : x
  2. Step 2: Convert to fraction form
    22,224.91/30,670.40 = 12,153.39/x
  3. Step 3: Cross multiply
    22,224.91x = 30,670.40 × 12,153.39
  4. Step 4: Simplify right side
    22,224.91x = 372,749,332.66
  5. Step 5: Solve for x
    x = 372,749,332.66/22,224.91
  6. Step 6: Final answer
    x = 16,771.69

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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.