Home / 25,212.74-34,792.29-13,880.05

Finding the Fourth Proportional to 25,212.74, 34,792.29 and 13,880.05

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Solution

The fourth proportional to 25,212.74, 34,792.29 and 13,880.05 is: 19,153.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,212.74 : 34,792.29 = 13,880.05 : x
  2. Step 2: Convert to fraction form
    25,212.74/34,792.29 = 13,880.05/x
  3. Step 3: Cross multiply
    25,212.74x = 34,792.29 × 13,880.05
  4. Step 4: Simplify right side
    25,212.74x = 482,918,655.41
  5. Step 5: Solve for x
    x = 482,918,655.41/25,212.74
  6. Step 6: Final answer
    x = 19,153.76

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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.