Home / 25,211.69-34,792.97-13,881.74

Finding the Fourth Proportional to 25,211.69, 34,792.97 and 13,881.74

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Solution

The fourth proportional to 25,211.69, 34,792.97 and 13,881.74 is: 19,157.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,211.69 : 34,792.97 = 13,881.74 : x
  2. Step 2: Convert to fraction form
    25,211.69/34,792.97 = 13,881.74/x
  3. Step 3: Cross multiply
    25,211.69x = 34,792.97 × 13,881.74
  4. Step 4: Simplify right side
    25,211.69x = 482,986,963.37
  5. Step 5: Solve for x
    x = 482,986,963.37/25,211.69
  6. Step 6: Final answer
    x = 19,157.26

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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.