Home / 25,153.84-34,712.22-13,975.84

Finding the Fourth Proportional to 25,153.84, 34,712.22 and 13,975.84

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Solution

The fourth proportional to 25,153.84, 34,712.22 and 13,975.84 is: 19,286.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,153.84 : 34,712.22 = 13,975.84 : x
  2. Step 2: Convert to fraction form
    25,153.84/34,712.22 = 13,975.84/x
  3. Step 3: Cross multiply
    25,153.84x = 34,712.22 × 13,975.84
  4. Step 4: Simplify right side
    25,153.84x = 485,132,432.76
  5. Step 5: Solve for x
    x = 485,132,432.76/25,153.84
  6. Step 6: Final answer
    x = 19,286.62

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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.