Home / 22,349.91-30,838.51-12,792.72

Finding the Fourth Proportional to 22,349.91, 30,838.51 and 12,792.72

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Solution

The fourth proportional to 22,349.91, 30,838.51 and 12,792.72 is: 17,651.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,349.91 : 30,838.51 = 12,792.72 : x
  2. Step 2: Convert to fraction form
    22,349.91/30,838.51 = 12,792.72/x
  3. Step 3: Cross multiply
    22,349.91x = 30,838.51 × 12,792.72
  4. Step 4: Simplify right side
    22,349.91x = 394,508,391.67
  5. Step 5: Solve for x
    x = 394,508,391.67/22,349.91
  6. Step 6: Final answer
    x = 17,651.45

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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.