Home / 25,121.66-34,668.33-13,792.21

Finding the Fourth Proportional to 25,121.66, 34,668.33 and 13,792.21

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Solution

The fourth proportional to 25,121.66, 34,668.33 and 13,792.21 is: 19,033.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,121.66 : 34,668.33 = 13,792.21 : x
  2. Step 2: Convert to fraction form
    25,121.66/34,668.33 = 13,792.21/x
  3. Step 3: Cross multiply
    25,121.66x = 34,668.33 × 13,792.21
  4. Step 4: Simplify right side
    25,121.66x = 478,152,818.75
  5. Step 5: Solve for x
    x = 478,152,818.75/25,121.66
  6. Step 6: Final answer
    x = 19,033.49

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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.