Home / 25,306.48-34,922.08-13,975.76

Finding the Fourth Proportional to 25,306.48, 34,922.08 and 13,975.76

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Solution

The fourth proportional to 25,306.48, 34,922.08 and 13,975.76 is: 19,286.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,306.48 : 34,922.08 = 13,975.76 : x
  2. Step 2: Convert to fraction form
    25,306.48/34,922.08 = 13,975.76/x
  3. Step 3: Cross multiply
    25,306.48x = 34,922.08 × 13,975.76
  4. Step 4: Simplify right side
    25,306.48x = 488,062,608.78
  5. Step 5: Solve for x
    x = 488,062,608.78/25,306.48
  6. Step 6: Final answer
    x = 19,286.07

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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.