Home / 25,212.51-34,792.98-13,881.78

Finding the Fourth Proportional to 25,212.51, 34,792.98 and 13,881.78

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Solution

The fourth proportional to 25,212.51, 34,792.98 and 13,881.78 is: 19,156.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,212.51 : 34,792.98 = 13,881.78 : x
  2. Step 2: Convert to fraction form
    25,212.51/34,792.98 = 13,881.78/x
  3. Step 3: Cross multiply
    25,212.51x = 34,792.98 × 13,881.78
  4. Step 4: Simplify right side
    25,212.51x = 482,988,285.24
  5. Step 5: Solve for x
    x = 482,988,285.24/25,212.51
  6. Step 6: Final answer
    x = 19,156.69

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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.