Home / 25,153.74-34,706.07-13,975.74

Finding the Fourth Proportional to 25,153.74, 34,706.07 and 13,975.74

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Solution

The fourth proportional to 25,153.74, 34,706.07 and 13,975.74 is: 19,283.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,153.74 : 34,706.07 = 13,975.74 : x
  2. Step 2: Convert to fraction form
    25,153.74/34,706.07 = 13,975.74/x
  3. Step 3: Cross multiply
    25,153.74x = 34,706.07 × 13,975.74
  4. Step 4: Simplify right side
    25,153.74x = 485,043,010.74
  5. Step 5: Solve for x
    x = 485,043,010.74/25,153.74
  6. Step 6: Final answer
    x = 19,283.14

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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.